Vulnerabilites related to mattermost - mattermost
CVE-2025-25068 (GCVE-0-2025-25068)
Vulnerability from cvelistv5
Published
2025-03-21 08:26
Modified
2025-03-21 12:25
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-306 - Missing Authentication for Critical Function
Summary
Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8, 10.5.x <= 10.5.0 fail to enforce MFA on plugin endpoints, which allows authenticated attackers to bypass MFA protections via API requests to plugin-specific routes.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.4.0   ≤ 10.4.2
Version: 10.3.0   ≤ 10.3.3
Version: 9.11.0   ≤ 9.11.8
Version: 10.5.0
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CVE-2024-4182 (GCVE-0-2024-4182)
Vulnerability from cvelistv5
Published
2024-04-26 08:25
Modified
2024-08-01 20:33
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Summary
Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users' web clients via a malformed custom status.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.6.0
Version: 9.5.0   ≤ 9.5.2
Version: 9.4.0   ≤ 9.4.4
Version: 8.1.0   ≤ 8.1.11
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CVE-2025-21083 (GCVE-0-2025-21083)
Vulnerability from cvelistv5
Published
2025-01-15 16:10
Modified
2025-01-15 16:48
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Summary
Mattermost Mobile Apps versions <=2.22.0 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 2.22.0
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CVE-2024-23488 (GCVE-0-2024-23488)
Vulnerability from cvelistv5
Published
2024-02-29 08:03
Modified
2024-08-01 23:06
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.8
Version: 0   ≤ 9.4.1
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Show details on NVD website

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CVE-2023-3591 (GCVE-0-2023-3591)
Vulnerability from cvelistv5
Published
2023-07-17 15:30
Modified
2024-10-21 19:39
Severity ?
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-287 - Improper Authentication
Summary
Mattermost fails to invalidate previously generated password reset tokens when a new reset token was created.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.6
Version: 0   ≤ 7.9.4
Version: 0   ≤ 7.10.2
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CVE-2023-1562 (GCVE-0-2023-1562)
Vulnerability from cvelistv5
Published
2023-03-22 10:16
Modified
2024-12-06 23:06
Severity ?
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost fails to check the "Show Full Name" setting when rendering the result for the /plugins/focalboard/api/v2/users API call, allowing an attacker to learn the full name of a board owner.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 7.4.0
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CVE-2025-30179 (GCVE-0-2025-30179)
Vulnerability from cvelistv5
Published
2025-03-21 08:24
Modified
2025-03-21 17:27
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to enforce MFA on certain search APIs, which allows authenticated attackers to bypass MFA protections via user search, channel search, or team search queries.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.4.0   ≤ 10.4.2
Version: 10.3.0   ≤ 10.3.3
Version: 9.11.0   ≤ 9.11.8
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CVE-2021-37861 (GCVE-0-2021-37861)
Vulnerability from cvelistv5
Published
2021-12-09 21:32
Modified
2024-08-04 01:30
Severity ?
5.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
CWE
  • CWE-532 - Information Exposure Through Log Files
Summary
Mattermost 6.0.2 and earlier fails to sufficiently sanitize user's password in audit logs when user creation fails.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   <
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CVE-2024-50052 (GCVE-0-2024-50052)
Vulnerability from cvelistv5
Published
2024-10-29 08:10
Modified
2024-10-29 12:52
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
Summary
Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1, 9.5.x <= 9.5.9 fail to check that the origin of the message in an integration action matches with the original post metadata which allows an authenticated user to delete an arbitrary post.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.10.0   ≤ 9.10.2
Version: 9.11.0   ≤ 9.11.1
Version: 9.5.0   ≤ 9.5.9
 Create a notification for this product.
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CVE-2024-10241 (GCVE-0-2024-10241)
Vulnerability from cvelistv5
Published
2024-10-29 08:08
Modified
2024-10-29 12:52
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.5.x <= 9.5.9 fail to properly filter the channel data when ElasticSearch is enabled which allows a user to get private channel names by using cmd+K/ctrl+K.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.9
 Create a notification for this product.
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CVE-2023-5194 (GCVE-0-2023-5194)
Vulnerability from cvelistv5
Published
2023-09-29 09:28
Modified
2024-09-05 19:59
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost fails to properly validate permissions when demoting and deactivating a user allowing for a system/user manager to demote / deactivate another manager
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.0
Version: 0   ≤ 7.8.9
 Create a notification for this product.
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To clipboard 

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CVE-2024-52032 (GCVE-0-2024-52032)
Vulnerability from cvelistv5
Published
2024-11-09 17:19
Modified
2024-11-12 14:52
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost versions 10.0.x <= 10.0.0 and 9.11.x <= 9.11.2 fail to properly query ElasticSearch when searching for the channel name in channel switcher which allows an attacker to get private channels names of channels that they are not a member of, when Elasticsearch v8 was enabled.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.0.0
Version: 9.11.0   ≤ 9.11.2
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CVE-2023-2281 (GCVE-0-2023-2281)
Vulnerability from cvelistv5
Published
2023-04-25 13:04
Modified
2024-12-06 23:04
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
When archiving a team, Mattermost fails to sanitize the related Websocket event sent to currently connected clients. This allows the clients to see the name, display name, description, and other data about the archived team.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤
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CVE-2024-28949 (GCVE-0-2024-28949)
Vulnerability from cvelistv5
Published
2024-04-05 08:14
Modified
2024-09-03 18:35
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 don't limit the number of user preferences which allows an attacker to send a large number of user preferences potentially causing denial of service.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.1
Version: 9.4.0   ≤ 9.4.3
Version: 9.3.0   ≤ 9.3.2
Version: 8.1.0   ≤ 8.1.10
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CVE-2023-4108 (GCVE-0-2023-4108)
Vulnerability from cvelistv5
Published
2023-08-11 06:12
Modified
2024-10-03 20:27
Severity ?
4.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
CWE
  • CWE-532 - Insertion of Sensitive Information into Log File
Summary
Mattermost fails to sanitize post metadata during audit logging resulting in permalinks contents being logged
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.7
Version: 0   ≤ 7.9.5
Version: 0   ≤ 7.10.3
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CVE-2025-24490 (GCVE-0-2025-24490)
Vulnerability from cvelistv5
Published
2025-02-24 07:26
Modified
2025-02-24 11:21
Severity ?
9.6 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CWE
  • CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Summary
Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to use prepared statements in the SQL query of boards reordering which allows an attacker to retrieve data from the database, via a SQL injection when reordering specially crafted boards categories.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.4.0   ≤ 10.4.1
Version: 9.11.0   ≤ 9.11.7
Version: 10.3.0   ≤ 10.3.2
Version: 10.2.0   ≤ 10.2.2
 Create a notification for this product.
Show details on NVD website

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CVE-2024-47003 (GCVE-0-2024-47003)
Vulnerability from cvelistv5
Published
2024-09-26 08:05
Modified
2024-09-26 13:11
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost versions 9.11.x <= 9.11.0 and 9.5.x <= 9.5.8 fail to validate that the message of the permalink post is a string, which allows an attacker to send a non-string value as the message of a permalink post and crash the frontend.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.11.0
Version: 9.5.0   ≤ 9.5.8
 Create a notification for this product.
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CVE-2022-4044 (GCVE-0-2022-4044)
Vulnerability from cvelistv5
Published
2022-11-23 05:45
Modified
2024-12-06 23:07
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 1.0.0   ≤ 7.1.3
Version: 7.2.0   ≤
Version: 7.3.0   ≤
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Show details on NVD website

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CVE-2024-24988 (GCVE-0-2024-24988)
Vulnerability from cvelistv5
Published
2024-02-29 08:06
Modified
2024-08-01 23:36
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to properly validate the length of the emoji value in the custom user status, allowing an attacker to send multiple times a very long string as an emoji value causing high resource consumption and possibly crashing the server.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 9.2.4
Version: 0   ≤ 8.1.8
Version: 0   ≤ 9.3.0
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CVE-2022-3257 (GCVE-0-2022-3257)
Vulnerability from cvelistv5
Published
2022-09-23 14:13
Modified
2024-12-06 23:07
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   <
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CVE-2025-35965 (GCVE-0-2025-35965)
Vulnerability from cvelistv5
Published
2025-04-24 06:49
Modified
2025-04-24 13:06
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to validate the uniqueness and quantity of task actions within the UpdateRunTaskActions GraphQL operation, which allows an attacker to create task items containing an excessive number of actions triggered by specific posts, overloading the server and leading to a denial-of-service (DoS) condition.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.4.0   ≤ 10.4.2
Version: 10.5.0
Version: 9.11.0   ≤ 9.11.10
 Create a notification for this product.
Show details on NVD website

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CVE-2025-8023 (GCVE-0-2025-8023)
Vulnerability from cvelistv5
Published
2025-08-21 07:51
Modified
2025-08-21 14:50
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2 fails to sanitize path traversal sequences in template file destination paths, which allows a system admin to perform path traversal attacks via malicious path components, potentially enabling malicious file placement outside intended directories.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.8.0   ≤ 10.8.3
Version: 10.5.0   ≤ 10.5.8
Version: 9.11.0   ≤ 9.11.17
Version: 10.9.0   ≤ 10.9.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-49810 (GCVE-0-2025-49810)
Vulnerability from cvelistv5
Published
2025-08-21 07:15
Modified
2025-08-21 13:49
Severity ?
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.5.x <= 10.5.8 fail to validate access controls at time of access which allows user to read a thread via AI posts
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.8
 Create a notification for this product.
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CVE-2023-47168 (GCVE-0-2023-47168)
Vulnerability from cvelistv5
Published
2023-11-27 09:12
Modified
2024-12-02 19:32
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Summary
Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked "Back to Mattermost" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.3
Version: 0   ≤ 7.8.12
Version: 0   ≤ 9.0.1
Version: 0   ≤ 9.1.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-1421 (GCVE-0-2023-1421)
Vulnerability from cvelistv5
Published
2023-03-15 22:51
Modified
2024-12-06 23:06
Severity ?
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
A reflected cross-site scripting vulnerability in the OAuth flow completion endpoints in Mattermost allows an attacker to send AJAX requests on behalf of the victim via sharing a crafted link with a malicious state parameter.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 5.32.0   ≤
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CVE-2024-43813 (GCVE-0-2024-43813)
Vulnerability from cvelistv5
Published
2024-08-22 06:30
Modified
2024-08-22 19:53
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 fail to enforce proper access controls which allows any authenticated user, including guests, to mark any channel inside any team as read for any user.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.7
Version: 9.10.0
 Create a notification for this product.
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CVE-2023-47858 (GCVE-0-2023-47858)
Vulnerability from cvelistv5
Published
2024-01-02 09:54
Modified
2025-06-17 20:29
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost fails to properly verify the permissions needed for viewing archived public channels,  allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 9.2.2
Version: 0   ≤ 9.1.3
Version: 0   ≤ 9.0.4
Version: 0   ≤ 8.1.6
 Create a notification for this product.
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CVE-2025-2424 (GCVE-0-2025-2424)
Vulnerability from cvelistv5
Published
2025-04-14 14:49
Modified
2025-04-14 15:00
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.5.x <= 10.5.1, 9.11.x <= 9.11.9 fail to check if a file has been deleted when creating a bookmark which allows an attacker who knows the IDs of deleted files to obtain metadata of the files via bookmark creation.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.1
Version: 9.11.0   ≤ 9.11.9
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CVE-2023-2792 (GCVE-0-2023-2792)
Vulnerability from cvelistv5
Published
2023-06-16 09:01
Modified
2024-12-06 23:00
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost fails to sanitize ephemeral error messages, allowing an attacker to obtain arbitrary message contents by a specially crafted /groupmsg command.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.1.9
Version: 0   ≤ 7.8.4
Version: 0   ≤ 7.9.3
Version: 7.10.0
 Create a notification for this product.
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CVE-2025-25274 (GCVE-0-2025-25274)
Vulnerability from cvelistv5
Published
2025-03-21 08:24
Modified
2025-03-21 17:27
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to restrict command execution in archived channels, which allows authenticated users to run commands in archived channels.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.4.0   ≤ 10.4.2
Version: 10.3.0   ≤ 10.3.3
Version: 9.11.0   ≤ 9.11.8
 Create a notification for this product.
Show details on NVD website

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CVE-2024-39353 (GCVE-0-2024-39353)
Vulnerability from cvelistv5
Published
2024-07-03 08:37
Modified
2024-08-02 04:26
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to sanitize the RemoteClusterFrame payloads before audit logging them which allows a high privileged attacker with access to the audit logs to read message contents.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.8.0
Version: 9.5.0   ≤ 9.5.5
 Create a notification for this product.
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CVE-2024-1949 (GCVE-0-2024-1949)
Vulnerability from cvelistv5
Published
2024-02-29 10:41
Modified
2024-08-01 18:56
Severity ?
2.6 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
A race condition in Mattermost versions 8.1.x before 8.1.9, and 9.4.x before 9.4.2 allows an authenticated attacker to gain unauthorized access to individual posts' contents via carefully timed post creation while another user deletes posts.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 8.1.0   ≤ 8.1.8
Version: 9.4.0   ≤ 9.4.1
 Create a notification for this product.
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CVE-2024-41144 (GCVE-0-2024-41144)
Vulnerability from cvelistv5
Published
2024-08-01 14:05
Modified
2024-08-05 16:58
Severity ?
5.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to properly validate synced posts, when shared channels are enabled,  which allows a malicious remote to create/update/delete arbitrary posts in arbitrary channels
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0
Version: 9.5.0   ≤ 9.5.6
Version: 9.7.0   ≤ 9.7.5
Version: 9.8.0   ≤ 9.8.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-39836 (GCVE-0-2024-39836)
Vulnerability from cvelistv5
Published
2024-08-22 06:27
Modified
2024-08-22 16:39
Severity ?
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-693 - Protection Mechanism Failure
Summary
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to ensure that remote/synthetic users cannot create sessions or reset passwords, which allows the munged email addresses, created by shared channels, to be used to receive email notifications and to reset passwords, when they are valid, functional emails.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0   ≤ 9.9.1
Version: 9.5.0   ≤ 9.5.7
Version: 9.10.0
Version: 9.8.0   ≤ 9.8.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-3615 (GCVE-0-2023-3615)
Vulnerability from cvelistv5
Published
2023-07-17 15:33
Modified
2024-10-30 15:21
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-295 - Improper Certificate Validation
Summary
Mattermost iOS app fails to properly validate the server certificate while initializing the TLS connection allowing a network attacker to intercept the WebSockets connection.
References
Impacted products
Vendor Product Version
Mattermost Mattermost iOS app Version: 0   ≤ 2.5.0
 Create a notification for this product.
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To clipboard 

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CVE-2025-3611 (GCVE-0-2025-3611)
Vulnerability from cvelistv5
Published
2025-05-30 14:22
Modified
2025-05-30 14:37
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.7.x <= 10.7.0, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fails to properly enforce access control restrictions for System Manager roles, allowing authenticated users with System Manager privileges to view team details they should not have access to via direct API requests to team endpoints, even when explicitly configured with 'No access' to Teams in the System Console.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.7.0   ≤
Version: 10.5.0   ≤ 10.5.3
Version: 9.11.0   ≤ 9.11.12
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-2515 (GCVE-0-2023-2515)
Vulnerability from cvelistv5
Published
2023-05-12 08:53
Modified
2024-12-06 23:04
Severity ?
4.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost fails to restrict a user with permissions to edit other users and to create personal access tokens from elevating their privileges to system admin
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.1.7
Version: 0   ≤ 7.7.3
Version: 0   ≤ 7.8.2
Version: 0   ≤ 7.9.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-2446 (GCVE-0-2024-2446)
Vulnerability from cvelistv5
Published
2024-03-15 09:11
Modified
2024-08-01 19:11
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to limit the number of @-mentions processed per message, allowing an authenticated attacker to crash the client applications of other users via large, crafted messages.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.4.0   ≤ 9.4.2
Version: 9.3.0   ≤ 9.3.1
Version: 9.2.0   ≤ 9.2.5
Version: 8.1.0   ≤ 8.1.9
 Create a notification for this product.
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CVE-2023-6547 (GCVE-0-2023-6547)
Vulnerability from cvelistv5
Published
2023-12-12 08:22
Modified
2025-05-12 19:28
Severity ?
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost fails to validate team membership when a user attempts to access a playbook, allowing a user with permissions to a playbook but no permissions to the team the playbook is on to access and modify the playbook. This can happen if the user was once a member of the team, got permissions to the playbook and was then removed from the team. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.5
Version: 0   ≤ 9.2.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2022-1003 (GCVE-0-2022-1003)
Vulnerability from cvelistv5
Published
2022-03-18 18:00
Modified
2024-12-06 23:10
Severity ?
3.3 (Low) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
CWE
Summary
One of the API in Mattermost version 6.3.0 and earlier fails to properly protect the permissions, which allows the system administrators to combine the two distinct privileges/capabilities in a way that allows them to override certain restricted configurations like EnableUploads.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   <
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CVE-2024-9155 (GCVE-0-2024-9155)
Vulnerability from cvelistv5
Published
2024-09-26 14:57
Modified
2024-09-26 15:17
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 9.10.x <= 9.10.1, 9.9.x <= 9.9.2, 9.5.x <= 9.5.8 fail to limit access to channels files that have not been linked to a post which allows an attacker to view them in channels that they are a member of.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.10.0   ≤ 9.10.1
Version: 9.9.0   ≤ 9.9.2
Version: 9.5.0   ≤ 9.5.8
 Create a notification for this product.
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CVE-2024-45843 (GCVE-0-2024-45843)
Vulnerability from cvelistv5
Published
2024-09-26 08:03
Modified
2024-09-26 13:11
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Summary
Mattermost versions 9.5.x <= 9.5.8 fail to include the metadata endpoints of Oracle Cloud and Alibaba in the SSRF denylist, which allows an attacker to possibly cause an SSRF if Mattermost was deployed in Oracle Cloud or Alibaba.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.8
 Create a notification for this product.
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CVE-2023-3582 (GCVE-0-2023-3582)
Vulnerability from cvelistv5
Published
2023-07-17 15:21
Modified
2024-10-21 19:59
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost fails to verify channel membership when linking a board to a channel allowing a low-privileged authenticated user to link a Board to a private channel they don't have access to, 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.6
Version: 0   ≤ 7.9.4
Version: 0   ≤ 7.10.2
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To clipboard 

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        "defect": [
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      },
      "title": "Lack of channel membership check when linking a board to a channel",
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CVE-2025-24526 (GCVE-0-2025-24526)
Vulnerability from cvelistv5
Published
2025-02-24 07:23
Modified
2025-02-24 11:24
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.1.x <= 10.1.3, 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to restrict channel export of archived channels when the "Allow users to view archived channels" is disabled which allows a user to export channel contents when they shouldn't have access to it
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.1.0   ≤ 10.1.3
Version: 10.4.0   ≤ 10.4.1
Version: 9.11.0   ≤ 9.11.7
Version: 10.3.0   ≤ 10.3.2
Version: 10.2.0   ≤ 10.2.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-42411 (GCVE-0-2024-42411)
Vulnerability from cvelistv5
Published
2024-08-22 06:32
Modified
2024-08-22 13:22
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Summary
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to restrict the input in POST /api/v4/users which allows a user to manipulate the creation date in POST /api/v4/users tricking the admin into believing their account is much older.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0   ≤ 9.9.1
Version: 9.5.0   ≤ 9.5.7
Version: 9.10.0
Version: 9.8.0   ≤ 9.8.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-39361 (GCVE-0-2024-39361)
Vulnerability from cvelistv5
Published
2024-07-03 08:35
Modified
2024-08-02 04:26
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5 fail to prevent users from specifying a RemoteId for their posts which allows an attacker to specify both a remoteId and the post ID, resulting in creating a post with a user-defined post ID. This can cause some broken functionality in the channel or thread with user-defined posts
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.8.0
Version: 9.7.0   ≤ 9.7.4
Version: 9.6.0   ≤ 9.6.2
Version: 9.5.0   ≤ 9.5.5
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-25279 (GCVE-0-2025-25279)
Vulnerability from cvelistv5
Published
2025-02-24 07:25
Modified
2025-02-24 11:22
Severity ?
9.9 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate board blocks when importing boards which allows an attacker could read any arbitrary file on the system via importing and exporting a specially crafted import archive in Boards.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.4.0   ≤ 10.4.1
Version: 9.11.0   ≤ 9.11.7
Version: 10.3.0   ≤ 10.3.2
Version: 10.2.0   ≤ 10.2.2
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CVE-2022-2408 (GCVE-0-2022-2408)
Vulnerability from cvelistv5
Published
2022-07-14 17:25
Modified
2024-12-06 23:08
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
Summary
The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   <
Version: 6.4.x
Version: 6.7.x 6.7.0
Version: 6.5.x   <
Version: 6.6.x   <
Create a notification for this product.
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CVE-2024-42406 (GCVE-0-2024-42406)
Vulnerability from cvelistv5
Published
2024-09-26 08:04
Modified
2024-09-26 13:11
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.11.x <= 9.11.0, 9.10.x <= 9.10.1, 9.9.x <= 9.9.2 and 9.5.x <= 9.5.8 fail to properly authorize requests when viewing archived channels is disabled, which allows an attacker to retrieve post and file information about archived channels. Examples are flagged or unread posts as well as files.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.11.0
Version: 9.10.0   ≤ 9.10.1
Version: 9.9.0   ≤ 9.9.2
Version: 9.5.0   ≤ 9.5.8
 Create a notification for this product.
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CVE-2024-24774 (GCVE-0-2024-24774)
Vulnerability from cvelistv5
Published
2024-02-09 14:46
Modified
2024-08-21 15:26
Severity ?
3.4 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost Jira Plugin handling subscriptions fails to check the security level of an incoming issue or limit it based on the user who created the subscription resulting in registered users on Jira being able to create webhooks that give them access to all Jira issues.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.7
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-2793 (GCVE-0-2023-2793)
Vulnerability from cvelistv5
Published
2023-06-16 09:02
Modified
2024-12-06 23:00
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to validate links on external websites when constructing a preview for a linked website, allowing an attacker to cause a denial-of-service by a linking to a specially crafted webpage in a message.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.2
Version: 0   ≤ 7.9.1
Version: 7.10.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2022-2406 (GCVE-0-2022-2406)
Vulnerability from cvelistv5
Published
2022-07-14 17:23
Modified
2024-12-06 23:08
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the server by importing large files via the Slack import REST API.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   <
Version: 6.4.x
Version: 6.7.x 6.7.0
Version: 6.5.x   <
Version: 6.6.x   <
Create a notification for this product.
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CVE-2023-2788 (GCVE-0-2023-2788)
Vulnerability from cvelistv5
Published
2023-06-16 08:58
Modified
2024-12-06 23:00
Severity ?
6.2 (Medium) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L
CWE
Summary
Mattermost fails to check if an admin user account active after an oauth2 flow is started, allowing an attacker with admin privileges to retain persistent access to Mattermost by obtaining an oauth2 access token while the attacker's account is deactivated.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.1.9
Version: 0   ≤ 7.8.4
Version: 0   ≤ 7.9.3
Version: 7.10.0
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CVE-2024-39613 (GCVE-0-2024-39613)
Vulnerability from cvelistv5
Published
2024-09-16 06:40
Modified
2024-09-16 13:05
Severity ?
5.3 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CWE
  • CWE-427 - Uncontrolled Search Path Element
Summary
Mattermost Desktop App versions <=5.8.0 fail to specify an absolute path when searching the cmd.exe file, which allows a local attacker who is able to put an cmd.exe file in the Downloads folder of a user's machine to cause remote code execution on that machine.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 5.8.0
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CVE-2025-20072 (GCVE-0-2025-20072)
Vulnerability from cvelistv5
Published
2025-01-16 17:51
Modified
2025-01-16 19:01
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-704 - Incorrect Type Conversion or Cast
Summary
Mattermost Mobile versions <= 2.22.0 fail to properly validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the mobile via crafted malicious input.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 2.22.0
 Create a notification for this product.
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CVE-2023-4105 (GCVE-0-2023-4105)
Vulnerability from cvelistv5
Published
2023-08-11 06:11
Modified
2024-10-01 20:31
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
Summary
Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.7
Version: 0   ≤ 7.9.5
Version: 0   ≤ 7.10.3
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CVE-2022-1384 (GCVE-0-2022-1384)
Vulnerability from cvelistv5
Published
2022-04-19 20:26
Modified
2024-12-06 23:09
Severity ?
4.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-477 - Use of Obsolete Function
Summary
Mattermost version 6.4.x and earlier fails to properly check the plugin version when a plugin is installed from the Marketplace, which allows an authenticated and an authorized user to install and exploit an old plugin version from the Marketplace which might have known vulnerabilities.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   <
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Show details on NVD website

To clipboard 

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CVE-2023-48369 (GCVE-0-2023-48369)
Vulnerability from cvelistv5
Published
2023-11-27 09:10
Modified
2024-08-02 21:30
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to limit the log size of server logs allowing an attacker sending specially crafted requests to different endpoints to potentially overflow the log.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.12
Version: 0   ≤ 8.1.3
Version: 0   ≤ 9.0.1
Version: 0   ≤ 9.1.0
 Create a notification for this product.
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CVE-2024-2450 (GCVE-0-2024-2450)
Vulnerability from cvelistv5
Published
2024-03-15 09:12
Modified
2024-08-02 20:35
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-287 - Improper Authentication
Summary
Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to correctly verify account ownership when switching from email to SAML authentication, allowing an authenticated attacker to take over other user accounts via a crafted switch request under specific conditions.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0
Version: 9.4.0   ≤ 9.4.2
Version: 9.3.0   ≤ 9.3.1
Version: 9.2.0   ≤ 9.2.5
Version: 8.1.0   ≤ 8.1.9
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-41395 (GCVE-0-2025-41395)
Vulnerability from cvelistv5
Published
2025-04-24 06:48
Modified
2025-04-24 13:58
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Summary
Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate the props used by the RetrospectivePost custom post type in the Playbooks plugin, which allows an attacker to create a specially crafted post with maliciously crafted props and cause a denial of service (DoS) of the web app for all users.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.4.0   ≤ 10.4.2
Version: 10.5.0
Version: 9.11.0   ≤ 9.11.10
 Create a notification for this product.
Show details on NVD website

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CVE-2024-31859 (GCVE-0-2024-31859)
Vulnerability from cvelistv5
Published
2024-05-26 13:31
Modified
2024-08-02 01:59
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1 and 8.1.x <= 8.1.12 fail to perform proper authorization checks which allows a member running a playbook in an existing channel to be promoted to a channel admin
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.3
Version: 9.6.0   ≤ 9.6.1
Version: 8.1.0   ≤ 8.1.12
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2022-4019 (GCVE-0-2022-4019)
Vulnerability from cvelistv5
Published
2022-11-23 05:32
Modified
2024-12-06 23:07
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
A denial-of-service vulnerability in the Mattermost Playbooks plugin allows an authenticated user to crash the server via multiple large requests to one of the Playbooks API endpoints.
References
Impacted products
Vendor Product Version
Mattermost Playbooks Plugin Version: 1.0.0   ≤ 7.1.3
Version: 7.2.0   ≤
Version: 7.3.0   ≤
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CVE-2025-24866 (GCVE-0-2025-24866)
Vulnerability from cvelistv5
Published
2025-04-10 15:33
Modified
2025-04-10 15:43
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 9.11.x <= 9.11.8  fail to enforce proper access controls on the /api/v4/audits endpoint, allowing users with delegated granular administration roles who lack access to Compliance Monitoring to retrieve User Activity Logs.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.11.0   ≤ 9.11.8
 Create a notification for this product.
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CVE-2019-20851 (GCVE-0-2019-20851)
Vulnerability from cvelistv5
Published
2020-06-19 14:02
Modified
2024-08-05 02:53
Severity ?
CWE
  • n/a
Summary
An issue was discovered in Mattermost Mobile Apps before 1.26.0. An attacker can use directory traversal with the Video Preview feature to overwrite arbitrary files on a device.
References
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

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CVE-2023-1776 (GCVE-0-2023-1776)
Vulnerability from cvelistv5
Published
2023-03-31 11:29
Modified
2024-12-06 23:05
Severity ?
7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 3.3.0   ≤ 7.7.1
Version: 3.3.0   ≤ 7.1.5
Version: 3.3.0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-3590 (GCVE-0-2023-3590)
Vulnerability from cvelistv5
Published
2023-07-17 15:28
Modified
2024-10-21 19:43
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.10.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2022-4045 (GCVE-0-2022-4045)
Vulnerability from cvelistv5
Published
2022-11-23 06:14
Modified
2024-12-06 23:07
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
A denial-of-service vulnerability in the Mattermost allows an authenticated user to crash the server via multiple requests to one of the API endpoints which could fetch a large amount of data. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-50333 (GCVE-0-2023-50333)
Vulnerability from cvelistv5
Published
2024-01-02 09:53
Modified
2025-06-17 13:35
Severity ?
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:L
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost fails to update the permissions of the current session for a user who was just demoted to guest, allowing freshly demoted guests to change group names.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 9.2.2
Version: 0   ≤ 8.1.6
 Create a notification for this product.
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CVE-2025-3230 (GCVE-0-2025-3230)
Vulnerability from cvelistv5
Published
2025-05-30 14:22
Modified
2025-05-30 14:42
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Summary
Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previously issued tokens.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.7.0   ≤
Version: 10.6.0   ≤ 10.6.2
Version: 10.5.0   ≤ 10.5.3
Version: 9.11.0   ≤ 9.11.12
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-27933 (GCVE-0-2025-27933)
Vulnerability from cvelistv5
Published
2025-03-21 08:23
Modified
2025-03-21 13:32
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.4.0   ≤ 10.4.2
Version: 10.3.0   ≤ 10.3.3
Version: 9.11.0   ≤ 9.11.8
 Create a notification for this product.
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CVE-2023-2791 (GCVE-0-2023-2791)
Vulnerability from cvelistv5
Published
2023-06-16 08:59
Modified
2024-12-06 23:00
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
Summary
When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters, allowing an authenticated attacker to edit an arbitrary channel post.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤
Version: 0   ≤
Version: 0   ≤
Version: 0   ≤
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CVE-2024-45835 (GCVE-0-2024-45835)
Vulnerability from cvelistv5
Published
2024-09-16 14:27
Modified
2024-09-16 14:42
Severity ?
2.5 (Low) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-693 - Protection Mechanism Failure
Summary
Mattermost Desktop App versions <=5.8.0 fail to sufficiently configure Electron Fuses which allows an attacker to gather Chromium cookies or abuse other misconfigurations via remote/local access.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 5.8.0
 Create a notification for this product.
Show details on NVD website

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CVE-2024-45833 (GCVE-0-2024-45833)
Vulnerability from cvelistv5
Published
2024-09-16 06:41
Modified
2024-09-16 13:04
Severity ?
4.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
CWE
  • CWE-693 - Protection Mechanism Failure
Summary
Mattermost Mobile Apps versions <=2.18.0 fail to disable autocomplete during login while typing the password and visible password is selected, which allows the password to get saved in the dictionary when the user has Swiftkey as the default keyboard, the masking is off and the password contains a special character..
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 2.18.0
 Create a notification for this product.
Show details on NVD website

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CVE-2025-2570 (GCVE-0-2025-2570)
Vulnerability from cvelistv5
Published
2025-05-15 15:27
Modified
2025-05-15 15:47
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.5.x <= 10.5.3, 9.11.x <= 9.11.11 fail to check `RestrictSystemAdmin` setting if user doesn't have access to `ExperimentalSettings` which allows a System Manager to access `ExperimentSettings` when `RestrictSystemAdmin` is true via System Console.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.2
Version: 9.11.0   ≤ 9.11.11
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-5967 (GCVE-0-2023-5967)
Vulnerability from cvelistv5
Published
2023-11-06 15:24
Modified
2024-09-12 19:30
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Summary
Mattermost fails to properly validate requests to the Calls plugin, allowing an attacker sending a request without a User Agent header to cause a panic and crash the Calls plugin
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.2
Version: 0   ≤ 8.0.3
Version: 0   ≤ 7.8.11
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2022-1982 (GCVE-0-2022-1982)
Vulnerability from cvelistv5
Published
2022-06-02 17:03
Modified
2024-12-06 23:08
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Uncontrolled resource consumption in Mattermost version 6.6.0 and earlier allows an authenticated attacker to crash the server via a crafted SVG attachment on a post.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 6.5.x 6.5.0
Version: 6.6.x 6.6.0
Version: 5.x   <
Version: 6.x   <
Version: 6.4.x   <
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CVE-2024-43780 (GCVE-0-2024-43780)
Vulnerability from cvelistv5
Published
2024-08-22 15:17
Modified
2024-08-22 16:06
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.0, 9.8.x <= 9.8.2 fail to enforce permissions which allows a guest user with read access to upload files to a channel.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0   ≤ 9.9.1
Version: 9.5.0   ≤ 9.5.7
Version: 9.10.0
Version: 9.8.0   ≤ 9.8.2
 Create a notification for this product.
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CVE-2024-1953 (GCVE-0-2024-1953)
Vulnerability from cvelistv5
Published
2024-02-29 10:42
Modified
2024-08-16 20:58
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, 9.3.0, and 9.4.x before 9.4.2 fail to limit the number of role names requested from the API, allowing an authenticated attacker to cause the server to run out of memory and crash by issuing an unusually large HTTP request.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.4.0   ≤ 9.4.1
Version: 9.3.0
Version: 9.2.0   ≤ 9.2.4
Version: 8.1.0   ≤ 8.1.8
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CVE-2023-3593 (GCVE-0-2023-3593)
Vulnerability from cvelistv5
Published
2023-07-17 15:38
Modified
2024-10-21 19:40
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to properly validate markdown, allowing an attacker to crash the server via a specially crafted markdown input.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.6
Version: 0   ≤ 7.9.4
Version: 0   ≤ 7.10.2
 Create a notification for this product.
Show details on NVD website

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CVE-2024-36255 (GCVE-0-2024-36255)
Vulnerability from cvelistv5
Published
2024-05-26 13:32
Modified
2024-08-02 03:37
Severity ?
5.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
CWE
  • CWE-352 - Cross-Site Request Forgery (CSRF)
Summary
Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1 and 8.1.x <= 8.1.12 fail to perform proper input validation on post actions which allows an attacker to run a playbook checklist task command as another user via creating and sharing a deceptive post action that unexpectedly runs a slash command in some arbitrary channel.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.3
Version: 9.6.0   ≤ 9.6.1
Version: 8.1.0   ≤ 8.1.12
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-27538 (GCVE-0-2025-27538)
Vulnerability from cvelistv5
Published
2025-04-16 07:45
Modified
2025-04-16 14:34
Severity ?
2.2 (Low) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-306 - Missing Authentication for Critical Function
Summary
Mattermost versions 10.5.x <= 10.5.1, 9.11.x <= 9.11.9 fail to enforce MFA checks in PUT /api/v4/users/user-id/mfa when the requesting user differs from the target user ID, which allows users with edit_other_users permission to activate or deactivate MFA for other users, even if those users have not set up MFA.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.1
Version: 9.11.0   ≤ 9.11.9
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-47865 (GCVE-0-2023-47865)
Vulnerability from cvelistv5
Published
2023-11-27 09:05
Modified
2024-08-02 21:16
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost fails to check if hardened mode is enabled when overriding the username and/or the icon when posting a post. If settings allowed integrations to override the username and profile picture when posting, a member could also override the username and icon when making a post even if the Hardened Mode setting was enabled
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.3
Version: 0   ≤ 7.8.12
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CVE-2023-5969 (GCVE-0-2023-5969)
Vulnerability from cvelistv5
Published
2023-11-06 15:48
Modified
2024-09-17 13:07
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.11
Version: 0   ≤ 8.0.3
Version: 0   ≤ 8.1.2
Version: 0   ≤ 9.0.0
 Create a notification for this product.
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CVE-2025-31947 (GCVE-0-2025-31947)
Vulnerability from cvelistv5
Published
2025-05-15 10:41
Modified
2025-05-15 13:46
Severity ?
5.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
CWE
  • CWE-645 - Overly Restrictive Account Lockout Mechanism
Summary
Mattermost versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, 9.11.x <= 9.11.11 fail to lockout LDAP users following repeated login failures, which allows attackers to lock external LDAP accounts through repeated login failures through Mattermost.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.6.0   ≤ 10.6.1
Version: 10.5.0   ≤ 10.5.2
Version: 10.4.0   ≤ 10.4.4
Version: 9.11.0   ≤ 9.11.11
 Create a notification for this product.
Show details on NVD website

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CVE-2024-32945 (GCVE-0-2024-32945)
Vulnerability from cvelistv5
Published
2024-07-15 08:42
Modified
2024-08-02 02:27
Severity ?
2.6 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
CWE
  • CWE-909 - Missing Initialization of Resource
Summary
Mattermost Mobile Apps versions <=2.16.0 fail to protect against abuse of a globally shared MathJax state which allows an attacker to change the contents of a LateX post, by creating another post with specific macro definitions.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 2.16.0
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CVE-2025-2564 (GCVE-0-2025-2564)
Vulnerability from cvelistv5
Published
2025-04-16 16:12
Modified
2025-04-17 19:41
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to properly enforce the 'Allow users to view/update archived channels' System Console setting, which allows authenticated users to view members and member information of archived channels even when this setting is disabled.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.1
Version: 10.4.0   ≤ 10.4.3
Version: 9.11.0   ≤ 9.11.9
 Create a notification for this product.
Show details on NVD website

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CVE-2023-2785 (GCVE-0-2023-2785)
Vulnerability from cvelistv5
Published
2023-06-16 09:07
Modified
2024-12-06 22:59
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to properly truncate the postgres error log message of a search query failure allowing an attacker to cause the creation of large log files which can result in Denial of Service
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.1.9
Version: 0   ≤ 7.8.4
Version: 0   ≤ 7.9.3
Version: 7.10.0
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CVE-2025-3446 (GCVE-0-2025-3446)
Vulnerability from cvelistv5
Published
2025-05-15 10:43
Modified
2025-05-15 13:41
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, 9.11.x <= 9.11.11 fail to check the correct permissions which allows authenticated users who only have permission to invite non-guest users to a team to add guest users to that team via the API to add a single user to a team.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.6.0   ≤ 10.6.1
Version: 10.5.0   ≤ 10.5.2
Version: 10.4.0   ≤ 10.4.4
Version: 9.11.0   ≤ 9.11.11
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-4106 (GCVE-0-2023-4106)
Vulnerability from cvelistv5
Published
2023-08-11 06:12
Modified
2024-10-01 20:21
Severity ?
6.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE
Summary
Mattermost fails to check if the requesting user is a guest before performing different actions to public playbooks, resulting a guest being able to view, join, edit, export and archive public playbooks.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.7
Version: 0   ≤ 7.9.5
Version: 0   ≤ 7.10.3
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-32045 (GCVE-0-2024-32045)
Vulnerability from cvelistv5
Published
2024-05-26 13:29
Modified
2024-08-02 02:06
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1, 8.1.x <= 8.1.12 fail to enforce proper access controls for channel and team membership when linking a playbook run to a channel which allows members to link their runs to private channels they were not members of.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.3
Version: 9.6.0   ≤ 9.6.1
Version: 8.1.0   ≤ 8.1.12
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-49809 (GCVE-0-2023-49809)
Vulnerability from cvelistv5
Published
2023-12-12 08:20
Modified
2024-08-02 22:01
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to handle a null request body in the /add endpoint, allowing a simple member to send a request with null request body to that endpoint and make it crash. After a few repetitions, the plugin is disabled. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.5
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-45223 (GCVE-0-2023-45223)
Vulnerability from cvelistv5
Published
2023-11-27 09:06
Modified
2024-08-02 20:14
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost fails to properly validate the "Show Full Name" option in a few endpoints in Mattermost Boards, allowing a member to get the full name of another user even if the Show Full Name option was disabled. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.12
Version: 0   ≤ 8.1.3
 Create a notification for this product.
Show details on NVD website

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CVE-2024-42497 (GCVE-0-2024-42497)
Vulnerability from cvelistv5
Published
2024-08-22 15:17
Modified
2024-08-22 15:31
Severity ?
6.0 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to properly enforce permissions which allows a user with systems manager role with read-only access to teams to perform write operations on teams.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0   ≤ 9.9.1
Version: 9.5.0   ≤ 9.5.7
Version: 9.10.0
Version: 9.8.0   ≤ 9.8.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-2784 (GCVE-0-2023-2784)
Vulnerability from cvelistv5
Published
2023-06-16 08:41
Modified
2024-12-06 23:03
Severity ?
4.2 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L
CWE
Summary
Mattermost fails to verify if the requestor is a sysadmin or not, before allowing `install` requests to the Apps allowing a regular user send install requests to the Apps.
References
Impacted products
Vendor Product Version
Mattermost Mattermost App Framework Version: 0   ≤ 7.8.4
Version: 0   ≤ 7.9.3
Version: 7.10.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-32939 (GCVE-0-2024-32939)
Vulnerability from cvelistv5
Published
2024-08-22 06:29
Modified
2024-08-22 13:26
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server."
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0   ≤ 9.9.1
Version: 9.5.0   ≤ 9.5.7
Version: 9.10.0
Version: 9.8.0   ≤ 9.8.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-45316 (GCVE-0-2023-45316)
Vulnerability from cvelistv5
Published
2023-12-12 08:23
Modified
2025-05-24 10:26
Severity ?
7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
CWE
  • CWE-352 - Cross-Site Request Forgery (CSRF)
Summary
Mattermost fails to validate if a relative path is passed in /plugins/playbooks/api/v0/telemetry/run/<telem_run_id> as a telemetry run ID, allowing an attacker to use a path traversal payload that points to a different endpoint leading to a CSRF attack.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 9.1.2
Version: 0   ≤ 9.0.3
Version: 0   ≤ 8.1.5
Version: 0   ≤ 7.8.14
Version: 0   ≤ 9.2.1
 Create a notification for this product.
Show details on NVD website

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CVE-2025-47871 (GCVE-0-2025-47871)
Vulnerability from cvelistv5
Published
2025-06-30 16:51
Modified
2025-06-30 20:48
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly validate channel membership when retrieving playbook run metadata, allowing authenticated users who are playbook members but not channel members to access sensitive information about linked private channels including channel name, display name, and participant count through the run metadata API endpoint.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.5
Version: 9.11.0   ≤ 9.11.15
Version: 10.8.0
Version: 10.7.0   ≤ 10.7.2
Version: 10.6.0   ≤ 10.6.5
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-4128 (GCVE-0-2025-4128)
Vulnerability from cvelistv5
Published
2025-06-11 10:25
Modified
2025-06-11 13:12
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.5.x <= 10.5.4, 9.11.x <= 9.11.13 fail to properly restrict API access to team information, allowing guest users to bypass permissions and view information about public teams they are not members of via a direct API call to /api/v4/teams/{team_id}.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.4
Version: 9.11.0   ≤ 9.11.13
 Create a notification for this product.
Show details on NVD website

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CVE-2025-41423 (GCVE-0-2025-41423)
Vulnerability from cvelistv5
Published
2025-04-24 06:50
Modified
2025-04-24 13:06
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate permissions for the API endpoint /plugins/playbooks/api/v0/signal/keywords/ignore-thread, allowing any user or attacker to delete posts containing actions created by the Playbooks bot, even without channel access or appropriate permissions.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.4.0   ≤ 10.4.2
Version: 10.5.0
Version: 9.11.0   ≤ 9.11.10
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CVE-2024-36257 (GCVE-0-2024-36257)
Vulnerability from cvelistv5
Published
2024-07-03 08:29
Modified
2024-08-02 03:37
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0, when using shared channels with multiple remote servers connected, fail to check that the remote server A requesting the server B to update the profile picture of a user is the remote that actually has the user as a local one . This allows a malicious remote A to change the profile images of users that belong to another remote server C that is connected to the server A.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.8.0
Version: 9.5.0   ≤ 9.5.5
 Create a notification for this product.
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CVE-2022-3147 (GCVE-0-2022-3147)
Vulnerability from cvelistv5
Published
2022-09-09 14:39
Modified
2024-12-06 23:08
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost version 7.0.x and earlier fails to sufficiently limit the in-memory sizes of concurrently uploaded JPEG images, which allows authenticated users to cause resource exhaustion on specific system configurations, resulting in server-side Denial of Service.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   <
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-4198 (GCVE-0-2024-4198)
Vulnerability from cvelistv5
Published
2024-04-26 08:26
Modified
2024-08-01 20:33
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes which allows an attacker authenticated as team admin to demote users to guest via crafted HTTP requests.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.6.0
Version: 9.5.0   ≤ 9.5.2
Version: 8.1.0   ≤ 8.1.11
 Create a notification for this product.
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CVE-2024-10214 (GCVE-0-2024-10214)
Vulnerability from cvelistv5
Published
2024-10-28 14:12
Modified
2024-10-28 14:55
Severity ?
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Summary
Mattermost versions 9.11.X <= 9.11.1, 9.5.x <= 9.5.9 icorrectly issues two sessions when using desktop SSO - one in the browser and one in desktop with incorrect settings.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.11.0   ≤ 9.11.1
Version: 9.5.0   ≤ 9.5.9
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-54682 (GCVE-0-2024-54682)
Vulnerability from cvelistv5
Published
2024-12-16 08:03
Modified
2024-12-16 16:03
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Summary
Mattermost versions 10.1.x <= 10.1.2, 10.0.x <= 10.0.2, 9.11.x <= 9.11.4, 9.5.x <= 9.5.12 fail to limit the file size for slack import file uploads which allows a user to cause a DoS via zip bomb by importing data in a team they are a team admin.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.1.0   ≤ 10.1.2
Version: 10.0.0   ≤ 10.0.2
Version: 9.11.0   ≤ 9.11.4
Version: 9.5.0   ≤ 9.5.12
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-39767 (GCVE-0-2024-39767)
Vulnerability from cvelistv5
Published
2024-07-15 08:43
Modified
2024-08-02 04:26
Severity ?
4.2 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
CWE
  • CWE-287 - Improper Authentication
Summary
Mattermost Mobile Apps versions <=2.16.0 fail to validate that the push notifications received for a server actually came from this serve that which allows a malicious server to send push notifications with another server’s diagnostic ID or server URL and have them show up in mobile apps as that server’s push notifications.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 2.16.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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          "value": "Update Mattermost Mobile Apps to versions 2.17.0 or higher."
        }
      ],
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        "advisory": "MMSA-2024-00310",
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      },
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CVE-2025-27571 (GCVE-0-2025-27571)
Vulnerability from cvelistv5
Published
2025-04-16 07:45
Modified
2025-04-16 14:34
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to check the "Allow Users to View Archived Channels" configuration when fetching channel metadata of a post from archived channels, which allows authenticated users to access such information when a channel is archived.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.1
Version: 10.4.0   ≤ 10.4.3
Version: 9.11.0   ≤ 9.11.9
 Create a notification for this product.
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{
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CVE-2024-21848 (GCVE-0-2024-21848)
Vulnerability from cvelistv5
Published
2024-04-05 08:13
Modified
2025-02-27 19:28
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Improper Access Control in Mattermost Server versions 8.1.x before 8.1.11 allows an attacker that is in a channel with an active call to keep participating in the call even if they are removed from the channel
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 8.1.0   ≤ 8.1.10
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CVE-2024-5270 (GCVE-0-2024-5270)
Vulnerability from cvelistv5
Published
2024-05-26 13:30
Modified
2024-08-01 21:11
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.5.x <= 9.5.3, 9.7.x <= 9.7.1, 9.6.x <= 9.6.1 and 8.1.x <= 8.1.12 fail to check if the email signup configuration option is enabled when a user requests to switch from SAML to Email. This allows the user to switch their authentication mail from SAML to email and possibly edit personal details that were otherwise non-editable and provided by the SAML provider.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.3
Version: 9.7.0   ≤ 9.7.1
Version: 9.6.0   ≤ 9.6.1
Version: 8.1.0   ≤ 8.1.12
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CVE-2023-5195 (GCVE-0-2023-5195)
Vulnerability from cvelistv5
Published
2023-09-29 09:25
Modified
2024-09-05 20:00
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost fails to properly validate the permissions when soft deleting a team allowing a team member to soft delete other teams that they are not part of
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.9
Version: 0   ≤ 8.0.1
Version: 0   ≤ 8.1.0
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To clipboard 

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CVE-2024-23319 (GCVE-0-2024-23319)
Vulnerability from cvelistv5
Published
2024-02-09 14:42
Modified
2024-08-01 22:59
Severity ?
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
CWE
  • CWE-352 - Cross-Site Request Forgery (CSRF)
Summary
Mattermost Jira Plugin fails to protect against logout CSRF allowing an attacker to post a specially crafted message that would disconnect a user's Jira connection in Mattermost only by viewing the message.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.7
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CVE-2021-37862 (GCVE-0-2021-37862)
Vulnerability from cvelistv5
Published
2021-12-17 16:10
Modified
2024-08-04 01:30
Severity ?
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Summary
Mattermost 6.0 and earlier fails to sufficiently validate the email address during registration, which allows attackers to trick users into signing up using attacker-controlled email addresses via crafted invitation token.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   <
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CVE-2024-36250 (GCVE-0-2024-36250)
Vulnerability from cvelistv5
Published
2024-11-09 17:18
Modified
2024-11-12 14:52
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Summary
Mattermost versions 9.11.x <= 9.11.2, and 9.5.x <= 9.5.10 fail to protect the mfa code against replay attacks, which allows an attacker to reuse the MFA code within ~30 seconds
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.11.0   ≤ 9.11.2
Version: 9.5.0   ≤ 9.5.10
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CVE-2025-22449 (GCVE-0-2025-22449)
Vulnerability from cvelistv5
Published
2025-01-09 06:54
Modified
2025-01-09 15:29
Severity ?
3.8 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 9.11.x <= 9.11.5 fail to enforce invite permissions, which allows team admins, with no permission to invite users to their team, to invite users by updating the "allow_open_invite" field via making their team public.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.11.0   ≤ 9.11.5
 Create a notification for this product.
Show details on NVD website

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CVE-2025-1558 (GCVE-0-2025-1558)
Vulnerability from cvelistv5
Published
2025-03-24 15:01
Modified
2025-03-24 18:42
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Summary
Mattermost Mobile Apps versions <=2.25.0 fail to properly validate GIF images prior to rendering which allows a malicious user to cause the Android application to crash via message containing a maliciously crafted GIF.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 2.25.0
 Create a notification for this product.
Show details on NVD website

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CVE-2024-1402 (GCVE-0-2024-1402)
Vulnerability from cvelistv5
Published
2024-02-09 15:09
Modified
2024-08-01 18:40
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to check if a custom emoji reaction exists when sending it to a post and to limit the amount of custom emojis allowed to be added in a post, allowing an attacker sending a huge amount of non-existent custom emojis in a post to crash the mobile app of a user seeing the post and to crash the server due to overloading when clients attempt to retrive the aforementioned post. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.7
Version: 0   ≤ 9.1.4
Version: 0   ≤ 9.2.3
 Create a notification for this product.
Show details on NVD website

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CVE-2023-5160 (GCVE-0-2023-5160)
Vulnerability from cvelistv5
Published
2023-10-02 10:46
Modified
2024-09-05 19:51
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost fails to check the Show Full Name option at the /api/v4/teams/TEAM_ID/top/team_members endpoint allowing a member to get the full name of another user even if the Show Full Name option was disabled
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.9
Version: 0   ≤ 8.1.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-40703 (GCVE-0-2023-40703)
Vulnerability from cvelistv5
Published
2023-11-27 09:08
Modified
2025-06-03 14:01
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.12
Version: 0   ≤ 8.1.3
Version: 0   ≤ 9.0.1
Version: 0   ≤ 9.1.0
 Create a notification for this product.
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CVE-2023-2787 (GCVE-0-2023-2787)
Vulnerability from cvelistv5
Published
2023-06-16 08:55
Modified
2024-12-06 23:03
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
Summary
Mattermost fails to check channel membership when accessing message threads, allowing an attacker to access arbitrary posts by using the message threads API.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.9.3
Version: 0   ≤ 7.8.4
Version: 0   ≤ 7.1.9
Version: 7.10.0
 Create a notification for this product.
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To clipboard 

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CVE-2024-22091 (GCVE-0-2024-22091)
Vulnerability from cvelistv5
Published
2024-04-26 08:24
Modified
2024-08-01 22:35
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost versions 8.1.x <= 8.1.10, 9.6.x <= 9.6.0, 9.5.x <= 9.5.2 and 8.1.x <= 8.1.11 fail to limit the size of a request path that includes user inputs which allows an attacker to cause excessive resource consumption, possibly leading to a DoS via sending large request paths
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 8.1.0   ≤ 8.1.10
Version: 9.6.0
Version: 9.5.0   ≤ 9.5.2
Version: 8.1.0   ≤ 8.1.11
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-2000 (GCVE-0-2023-2000)
Vulnerability from cvelistv5
Published
2023-05-02 08:57
Modified
2024-12-06 23:04
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Summary
Mattermost Desktop App fails to validate a mattermost server redirection and navigates to an arbitrary website
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 5.2.2
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CVE-2024-37182 (GCVE-0-2024-37182)
Vulnerability from cvelistv5
Published
2024-06-14 08:39
Modified
2024-08-02 03:50
Severity ?
4.7 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-693 - Protection Mechanism Failure
Summary
Mattermost Desktop App versions <=5.7.0 fail to correctly prompt for permission when opening external URLs which allows a remote attacker to force a victim over the Internet to run arbitrary programs on the victim's system via custom URI schemes.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 5.7.0
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CVE-2021-37859 (GCVE-0-2021-37859)
Vulnerability from cvelistv5
Published
2021-08-05 19:40
Modified
2024-08-04 01:30
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
CWE
  • CWE-79 - Cross-site Scripting (XSS)
Summary
Fixed a bypass for a reflected cross-site scripting vulnerability affecting OAuth-enabled instances of Mattermost.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 5.32.0   <
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CVE-2023-43754 (GCVE-0-2023-43754)
Vulnerability from cvelistv5
Published
2023-11-27 09:11
Modified
2024-08-02 19:52
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost fails to check whether the  “Allow users to view archived channels”  setting is enabled during permalink previews display, allowing members to view permalink previews of archived channels even if the “Allow users to view archived channels” setting is disabled. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.12
Version: 0   ≤ 8.1.3
Version: 0   ≤ 9.0.1
Version: 0   ≤ 9.1.0
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CVE-2022-0904 (GCVE-0-2022-0904)
Vulnerability from cvelistv5
Published
2022-03-09 15:21
Modified
2024-12-06 23:10
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • Call stack overflow / goroutine stack overflow
Summary
A stack overflow bug in the document extractor in Mattermost Server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously crafted Apple Pages document.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 6.3   < 6.3.3
Version: 6.2   < 6.2.3
Version: 6.1   < 6.1.3
Version: 5.37   < 5.37.8
 Create a notification for this product.
Show details on NVD website

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CVE-2023-5193 (GCVE-0-2023-5193)
Vulnerability from cvelistv5
Published
2023-09-29 09:23
Modified
2024-09-20 16:01
Severity ?
4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost fails to properly check permissions when retrieving a post allowing for a System Role with the permission to manage channels to read the posts of a DM conversation.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.0.1
Version: 0   ≤ 7.8.9
Version: 8.1.0
 Create a notification for this product.
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To clipboard 

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CVE-2023-6458 (GCVE-0-2023-6458)
Vulnerability from cvelistv5
Published
2023-12-06 08:10
Modified
2024-08-02 08:28
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L
CWE
  • CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Summary
Mattermost webapp fails to validate route parameters in/<TEAM_NAME>/channels/<CHANNEL_NAME> allowing an attacker to perform a client-side path traversal.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 9.1.1
Version: 0   ≤ 9.0.2
Version: 0   ≤ 8.1.4
Version: 0   ≤ 7.8.13
 Create a notification for this product.
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CVE-2023-49607 (GCVE-0-2023-49607)
Vulnerability from cvelistv5
Published
2023-12-12 08:21
Modified
2024-08-02 22:01
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Summary
Mattermost fails to validate the type of the "reminder" body request parameter allowing an attacker to crash the Playbook Plugin when updating the status dialog.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.5
Version: 0   ≤ 9.0.3
Version: 0   ≤ 9.1.2
Version: 0   ≤ 9.2.1
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CVE-2022-1337 (GCVE-0-2022-1337)
Vulnerability from cvelistv5
Published
2022-04-13 17:06
Modified
2024-12-06 23:10
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very large image files.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 6.4   < 6.4.2
Version: 6.3   < 6.3.5
Version: 6.2   < 6.2.5
Version: 5.37   < 5.37.9
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CVE-2023-27265 (GCVE-0-2023-27265)
Vulnerability from cvelistv5
Published
2023-02-27 14:46
Modified
2024-12-06 23:06
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the "Regenerate Invite Id" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 5.12.0   ≤
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CVE-2024-32046 (GCVE-0-2024-32046)
Vulnerability from cvelistv5
Published
2024-04-26 08:24
Modified
2024-08-02 02:06
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost versions 9.6.x <= 9.6.0, 9.5.x <= 9.5.2, 9.4.x <= 9.4.4 and 8.1.x <= 8.1.11 fail to remove detailed error messages in API requests even if the developer mode is off which allows an attacker to get information about the server such as the full path were files are stored
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.6.0
Version: 9.5.0   ≤ 9.5.2
Version: 9.4.0   ≤ 9.4.4
Version: 8.1.0   ≤ 8.1.11
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-27936 (GCVE-0-2025-27936)
Vulnerability from cvelistv5
Published
2025-04-16 09:14
Modified
2025-04-16 14:32
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-208 - Observable Timing Discrepancy
Summary
Mattermost Plugin MSTeams versions <2.1.0 and Mattermost Server versions 10.5.x <=10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack during webhook secret comparison.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-29215 (GCVE-0-2024-29215)
Vulnerability from cvelistv5
Published
2024-05-26 13:33
Modified
2024-08-02 01:10
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.5.x <= 9.5.3, 9.7.x <= 9.7.1, 9.6.x <= 9.6.1, 8.1.x <= 8.1.12 fail to enforce proper access control which allows a user to run a slash command in a channel they are not a member of via linking a playbook run to that channel and running a slash command as a playbook task command.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.3
Version: 9.7.0   ≤ 9.7.1
Version: 9.6.0   ≤ 9.6.1
Version: 8.1.0   ≤ 8.1.12
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-6428 (GCVE-0-2024-6428)
Vulnerability from cvelistv5
Published
2024-07-03 08:39
Modified
2024-08-01 21:41
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2, 9.5.x <= 9.5.5 fail to prevent specifying a RemoteId when creating a new user which allows an attacker to specify both a remoteId and the user ID, resulting in creating a user with a user-defined user ID. This can cause some broken functionality in User Management such administrative actions against the user not working.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.8.0
Version: 9.7.0   ≤ 9.7.4
Version: 9.6.0   ≤ 9.6.2
Version: 9.5.0   ≤ 9.5.5
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CVE-2022-0903 (GCVE-0-2022-0903)
Vulnerability from cvelistv5
Published
2022-03-09 15:17
Modified
2024-12-06 23:10
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • Call stack overflow / goroutine stack overflow
Summary
A call stack overflow bug in the SAML login feature in Mattermost server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously crafted POST body.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 6.3   < 6.3.3
Version: 6.2   < 6.2.3
Version: 6.1   < 6.1.3
Version: 5.37   < 5.37.8
 Create a notification for this product.
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To clipboard 

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CVE-2024-40886 (GCVE-0-2024-40886)
Vulnerability from cvelistv5
Published
2024-08-22 06:32
Modified
2024-08-22 13:14
Severity ?
4.6 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
CWE
  • CWE-352 - Cross-Site Request Forgery (CSRF)
Summary
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to sanitize user inputs in the frontend that are used for redirection which allows for a one-click client-side path traversal that is leading to CSRF in User Management page of the system console.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0   ≤ 9.9.1
Version: 9.5.0   ≤ 9.5.7
Version: 9.10.0
Version: 9.8.0   ≤ 9.8.2
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CVE-2023-2193 (GCVE-0-2023-2193)
Vulnerability from cvelistv5
Published
2023-04-20 08:17
Modified
2024-12-06 23:04
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
CWE
Summary
Mattermost fails to invalidate existing authorization codes when deauthorizing an OAuth2 app, allowing an attacker possessing an authorization code to generate an access token.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.1.7
Version: 0   ≤ 7.7.3
Version: 0   ≤ 7.8.2
Version: 0   ≤ 7.9.1
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CVE-2024-41162 (GCVE-0-2024-41162)
Vulnerability from cvelistv5
Published
2024-08-01 14:05
Modified
2024-08-02 15:01
Severity ?
4.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to disallow the modification of local channels by a remote, when shared channels are enabled, which allows a malicious remote to make an arbitrary local channel read-only.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0
Version: 9.5.0   ≤ 9.5.6
Version: 9.7.0   ≤ 9.7.5
Version: 9.8.0   ≤ 9.8.1
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CVE-2021-37865 (GCVE-0-2021-37865)
Vulnerability from cvelistv5
Published
2022-01-18 16:51
Modified
2024-12-06 23:11
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost 6.2 and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   <
Patch: 6.1.1   < unspecified
Patch: 6.0.4   < unspecified
Patch: 5.39.3   < unspecified
Patch: 5.37.6   < unspecified
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CVE-2025-2475 (GCVE-0-2025-2475)
Vulnerability from cvelistv5
Published
2025-04-14 14:49
Modified
2025-04-14 14:59
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Summary
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to invalidate the cache when a user account is converted to a bot which allows an attacker to login to the bot exactly one time via normal credentials.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.1
Version: 10.4.0   ≤ 10.4.3
Version: 9.11.0   ≤ 9.11.9
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-4573 (GCVE-0-2025-4573)
Vulnerability from cvelistv5
Published
2025-06-11 10:22
Modified
2025-06-11 13:13
Severity ?
4.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Summary
Mattermost versions 10.7.x <= 10.7.1, 10.6.x <= 10.6.3, 10.5.x <= 10.5.4, 9.11.x <= 9.11.13 fail to properly validate LDAP group ID attributes, allowing an authenticated administrator with PermissionSysconsoleWriteUserManagementGroups permission to execute LDAP search filter injection via the PUT /api/v4/ldap/groups/{remote_id}/link API when objectGUID is configured as the Group ID Attribute.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.7.0   ≤ 10.7.1
Version: 10.6.0   ≤ 10.6.3
Version: 10.5.0   ≤ 10.5.4
Version: 9.11.0   ≤ 9.11.13
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-6227 (GCVE-0-2025-6227)
Vulnerability from cvelistv5
Published
2025-07-18 11:39
Modified
2025-07-18 13:44
Severity ?
2.2 (Low) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-522 - Insufficiently Protected Credentials
Summary
Mattermost versions 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to negotiate a new token when accepting the invite which allows a user that intercepts both invite and password to send synchronization payloads to the server that originally created the invite via the REST API.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.7
Version: 9.11.0   ≤ 9.11.16
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-4107 (GCVE-0-2023-4107)
Vulnerability from cvelistv5
Published
2023-08-11 06:12
Modified
2024-10-11 16:52
Severity ?
6.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.7
Version: 0   ≤ 7.9.5
Version: 0   ≤ 7.10.3
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2020-13891 (GCVE-0-2020-13891)
Vulnerability from cvelistv5
Published
2020-06-26 16:14
Modified
2024-08-04 12:32
Severity ?
CWE
  • n/a
Summary
An issue was discovered in Mattermost Mobile Apps before 1.31.2 on iOS. Unintended third-party servers could sometimes obtain authorization tokens, aka MMSA-2020-0022.
References
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

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CVE-2023-7113 (GCVE-0-2023-7113)
Vulnerability from cvelistv5
Published
2023-12-29 12:46
Modified
2024-08-02 08:50
Severity ?
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Mattermost version 8.1.6 and earlier fails to sanitize channel mention data in posts, which allows an attacker to inject markup in the web client.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.6
Version: 0   ≤ 9.2.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-3614 (GCVE-0-2023-3614)
Vulnerability from cvelistv5
Published
2023-07-17 15:32
Modified
2024-10-21 19:39
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to properly validate a gif image file, allowing an attacker to consume a significant amount of server resources, making the server unresponsive for an extended period of time by linking to specially crafted image file.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.6
Version: 0   ≤ 7.9.4
Version: 0   ≤ 7.10.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-1831 (GCVE-0-2023-1831)
Vulnerability from cvelistv5
Published
2023-04-17 14:21
Modified
2024-12-06 23:05
Severity ?
7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost fails to redact from audit logs the user password during user creation and the user password hash in other operations if the experimental audit logging configuration was enabled (ExperimentalAuditSettings section in config).
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.7.2
Version: 0   ≤ 7.8.1
Version: 0   ≤ 7.9.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-5339 (GCVE-0-2023-5339)
Vulnerability from cvelistv5
Published
2023-10-17 09:30
Modified
2024-09-05 19:46
Severity ?
4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost Desktop fails to set an appropriate log level during initial run after fresh installation resulting in logging all keystrokes including password entry being logged. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 5.4.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-3913 (GCVE-0-2025-3913)
Vulnerability from cvelistv5
Published
2025-05-29 15:10
Modified
2025-05-29 15:43
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to properly validate permissions when changing team privacy settings, allowing team administrators without the 'invite user' permission to access and modify team invite IDs via the /api/v4/teams/:teamId/privacy endpoint.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.7.0   ≤
Version: 10.6.0   ≤ 10.6.2
Version: 10.5.0   ≤ 10.5.3
Version: 9.11.0   ≤ 9.11.12
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-8402 (GCVE-0-2025-8402)
Vulnerability from cvelistv5
Published
2025-08-21 17:01
Modified
2025-08-21 17:30
Severity ?
4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
  • CWE-476 - NULL Pointer Dereference
Summary
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to validate import data which allows a system admin to crash the server via the bulk import feature.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.8.0   ≤ 10.8.3
Version: 10.5.0   ≤ 10.5.8
Version: 9.11.0   ≤ 9.11.17
Version: 10.10.0   ≤
Version: 10.9.0   ≤ 10.9.3
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2021-37863 (GCVE-0-2021-37863)
Vulnerability from cvelistv5
Published
2021-12-17 16:10
Modified
2024-08-04 01:30
Severity ?
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
CWE
  • CWE-20 - Improper Input Validation
Summary
Mattermost 6.0 and earlier fails to sufficiently validate parameters during post creation, which allows authenticated attackers to cause a client-side crash of the web application via a maliciously crafted post.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   <
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-20630 (GCVE-0-2025-20630)
Vulnerability from cvelistv5
Published
2025-01-16 18:18
Modified
2025-01-16 18:55
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Summary
Mattermost Mobile versions <=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the mobile to crash via creating and sending such a post to a channel.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ <=2.22.0
 Create a notification for this product.
Show details on NVD website

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CVE-2021-37860 (GCVE-0-2021-37860)
Vulnerability from cvelistv5
Published
2021-09-22 16:40
Modified
2024-08-04 01:30
Severity ?
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
CWE
  • CWE-79 - Cross-site Scripting (XSS)
Summary
Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   <
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-1774 (GCVE-0-2023-1774)
Vulnerability from cvelistv5
Published
2023-03-31 11:14
Modified
2024-12-06 23:05
Severity ?
4.2 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE
Summary
When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.7.1
Version: 0   ≤ 7.1.5
Version: 0   ≤
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To clipboard 

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CVE-2025-0476 (GCVE-0-2025-0476)
Vulnerability from cvelistv5
Published
2025-01-15 23:44
Modified
2025-01-16 14:22
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Summary
Mattermost Mobile Apps versions <=2.22.0 fail to properly handle specially crafted attachment names, which allows an attacker to crash the mobile app for any user who opened a channel containing the specially crafted attachment
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 2.22.0
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CVE-2023-2783 (GCVE-0-2023-2783)
Vulnerability from cvelistv5
Published
2023-06-16 08:39
Modified
2024-12-06 23:03
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
Summary
Mattermost Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to modify the contents of the post sent by the Apps.
References
Impacted products
Vendor Product Version
Mattermost Mattermost App Framework Version: 0   ≤ 7.8.4
Version: 0   ≤ 7.9.3
Version: 7.10.0
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CVE-2024-39777 (GCVE-0-2024-39777)
Vulnerability from cvelistv5
Published
2024-08-01 14:05
Modified
2024-08-01 16:07
Severity ?
8.7 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to disallow unsolicited invites to expose access to local channels, when shared channels are enabled, which allows a malicious remote to send an invite with the ID of an existing local channel, and that local channel will then become shared without the consent of the local admin.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0
Version: 9.5.0   ≤ 9.5.6
Version: 9.7.0   ≤ 9.7.5
Version: 9.8.0   ≤ 9.8.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-5330 (GCVE-0-2023-5330)
Vulnerability from cvelistv5
Published
2023-10-09 10:38
Modified
2024-09-05 19:47
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to enforce a limit for the size of the cache entry for OpenGraph data allowing an attacker to send a specially crafted request to the /api/v4/opengraph filling the cache and turning the server unavailable.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.10
Version: 0   ≤ 8.0.2
Version: 0   ≤ 8.1.1
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CVE-2022-2366 (GCVE-0-2022-2366)
Vulnerability from cvelistv5
Published
2022-07-11 14:08
Modified
2024-12-06 23:08
Severity ?
5.6 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-276 - Incorrect Default Permissions
Summary
Incorrect default configuration for trusted IP header in Mattermost version 6.7.0 and earlier allows attacker to bypass some of the rate limitations in place or use manipulated IPs for audit logging via manipulating the request headers.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 6.7.x 6.7.0
Version: 6.x   <
Version: 6.5.x   <
Version: 6.6.x   <
Create a notification for this product.
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CVE-2025-6226 (GCVE-0-2025-6226)
Vulnerability from cvelistv5
Published
2025-07-18 08:48
Modified
2025-08-07 09:53
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-306 - Missing Authentication for Critical Function
Summary
Mattermost versions 10.5.x <= 10.5.6, 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 9.11.x <= 9.11.16 fail to verify authorization when retrieving cached posts by PendingPostID which allows an authenticated user to read posts in private channels they don't have access to via guessing the PendingPostID of recently created posts.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.6
Version: 10.8.0   ≤ 10.8.1
Version: 10.7.0   ≤ 10.7.3
Version: 9.11.0   ≤ 9.11.16
 Create a notification for this product.
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CVE-2024-48872 (GCVE-0-2024-48872)
Vulnerability from cvelistv5
Published
2024-12-16 08:01
Modified
2024-12-16 16:04
Severity ?
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Summary
Mattermost versions 10.1.x <= 10.1.2, 10.0.x <= 10.0.2, 9.11.x <= 9.11.4, and 9.5.x <= 9.5.12 fail to prevent concurrently checking and updating the failed login attempts. which allows an attacker to bypass of "Max failed attempts" restriction and send a big number of login attempts before being blocked via simultaneously sending multiple login requests
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.1.0   ≤ 10.1.2
Version: 10.0.0   ≤ 10.0.2
Version: 9.11.0   ≤ 9.11.4
Version: 9.5.0   ≤ 9.5.12
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-2808 (GCVE-0-2023-2808)
Vulnerability from cvelistv5
Published
2023-05-29 09:07
Modified
2024-12-06 23:04
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-20 - Improper Input Validation
Summary
Mattermost fails to normalize UTF confusable characters when determining if a preview should be generated for a hyperlink, allowing an attacker to trigger link preview on a disallowed domain using a specially crafted link.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤
Version: 0   ≤
Version: 0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-2831 (GCVE-0-2023-2831)
Vulnerability from cvelistv5
Published
2023-06-16 09:06
Modified
2024-12-06 22:59
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.1.9
Version: 0   ≤ 7.8.4
Version: 0   ≤ 7.9.3
Version: 7.10.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-5272 (GCVE-0-2024-5272)
Vulnerability from cvelistv5
Published
2024-05-26 13:29
Modified
2024-08-01 21:11
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1, 8.1.x <= 8.1.12 fail to restrict the audience of the "custom_playbooks_playbook_run_updated" webhook event, which allows a guest on a channel with a playbook run linked to see all the details of the playbook run when the run is marked by finished.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.3
Version: 9.6.0   ≤ 9.6.1
Version: 8.1.0   ≤ 8.1.12
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-46701 (GCVE-0-2023-46701)
Vulnerability from cvelistv5
Published
2023-12-12 08:19
Modified
2024-08-02 20:53
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost fails to perform authorization checks in the /plugins/playbooks/api/v0/runs/add-to-timeline-dialog endpoint of the Playbooks plugin allowing an attacker to get limited information about a post if they know the post ID
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.5
Version: 0   ≤ 9.0.3
Version: 0   ≤ 9.1.2
Version: 0   ≤ 9.2.1
 Create a notification for this product.
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CVE-2025-21088 (GCVE-0-2025-21088)
Vulnerability from cvelistv5
Published
2025-01-15 15:51
Modified
2025-01-15 16:20
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-704 - Incorrect Type Conversion or Cast
Summary
Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the frontend via crafted malicious input.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.2.0
Version: 9.11.0   ≤ 9.11.5
Version: 10.0.0   ≤ 10.0.3
Version: 10.1.0   ≤ 10.1.3
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-31363 (GCVE-0-2025-31363)
Vulnerability from cvelistv5
Published
2025-04-16 09:14
Modified
2025-04-16 14:33
Severity ?
3.0 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N
CWE
  • CWE-1426 - Improper Validation of Generative AI Output
Summary
Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.9 fail to restrict domains the LLM can request to contact upstream which allows an authenticated user to exfiltrate data from an arbitrary server accessible to the victim via performing a prompt injection in the AI plugin's Jira tool.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.4.0   ≤ 10.4.2
Version: 10.5.0
Version: 9.11.0   ≤ 9.11.9
 Create a notification for this product.
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CVE-2025-20088 (GCVE-0-2025-20088)
Vulnerability from cvelistv5
Published
2025-01-15 16:49
Modified
2025-02-12 20:31
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Summary
Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.2.0   ≤
Version: 9.11.0   ≤ 9.11.5
Version: 10.0.0   ≤ 10.0.3
Version: 10.1.0   ≤ 10.1.3
 Create a notification for this product.
Show details on NVD website

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CVE-2024-54083 (GCVE-0-2024-54083)
Vulnerability from cvelistv5
Published
2024-12-16 08:02
Modified
2024-12-16 16:04
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Summary
Mattermost versions 10.1.x <= 10.1.2, 10.0.x <= 10.0.2, 9.11.x <= 9.11.4, 9.5.x <= 9.5.12 fail to properly validate the type of callProps which allows a user to cause a client side (webapp and mobile) DoS to users of particular channels, by sending a specially crafted post.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.1.0   ≤ 10.1.2
Version: 10.0.0   ≤ 10.0.2
Version: 9.11.0   ≤ 9.11.4
Version: 9.5.0   ≤ 9.5.12
 Create a notification for this product.
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CVE-2025-6465 (GCVE-0-2025-6465)
Vulnerability from cvelistv5
Published
2025-08-21 17:01
Modified
2025-08-21 17:30
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to sanitize file names which allows users with file upload permission to overwrite file attachment thumbnails via path traversal in file streaming APIs.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.8.0   ≤ 10.8.3
Version: 10.5.0   ≤ 10.5.8
Version: 10.10.0   ≤
Version: 10.9.0   ≤ 10.9.3
 Create a notification for this product.
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To clipboard 

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CVE-2025-46702 (GCVE-0-2025-46702)
Vulnerability from cvelistv5
Published
2025-06-30 16:51
Modified
2025-06-30 20:49
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly enforce channel member management permissions when adding participants to playbook runs. This allows authenticated users with member-level permissions to bypass system admin restrictions and add or remove users to/from private channels via the playbook run participants feature, even when the 'Manage Members' permission has been explicitly removed. This can lead to unauthorized access to sensitive channel content and allow guest users to gain channel management privileges.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.5
Version: 9.11.0   ≤ 9.11.15
Version: 10.8.0
Version: 10.7.0   ≤ 10.7.2
Version: 10.6.0   ≤ 10.6.5
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-42000 (GCVE-0-2024-42000)
Vulnerability from cvelistv5
Published
2024-11-09 17:17
Modified
2024-11-12 14:53
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1, 9.5.x <= 9.5.9 and 10.0.x <= 10.0.0 fail to properly authorize the requests to /api/v4/channels  which allows a User or System Manager, with "Read Groups" permission but with no access for channels to retrieve details about private channels that they were not a member of by sending a request to /api/v4/channels.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.10.0   ≤ 9.10.2
Version: 9.11.0   ≤ 9.11.1
Version: 9.5.0   ≤ 9.5.9
Version: 10.0.0
 Create a notification for this product.
Show details on NVD website

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CVE-2024-47401 (GCVE-0-2024-47401)
Vulnerability from cvelistv5
Published
2024-10-29 08:11
Modified
2024-10-29 12:52
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1 and 9.5.x <= 9.5.9 fail to prevent detailed error messages from being displayed in Playbooks which allows an attacker to generate a large response and cause an amplified GraphQL response which in turn could cause the application to crash by sending a specially crafted request to Playbooks.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.10.0   ≤ 9.10.2
Version: 9.11.0   ≤ 9.11.1
Version: 9.5.0   ≤ 9.5.9
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2021-37864 (GCVE-0-2021-37864)
Vulnerability from cvelistv5
Published
2022-01-18 16:52
Modified
2024-12-06 23:11
Severity ?
2.6 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost 6.1 and earlier fails to sufficiently validate permissions while viewing archived channels, which allows authenticated users to view contents of archived channels even when this is denied by system administrators by directly accessing the APIs.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   < 6.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-3586 (GCVE-0-2023-3586)
Vulnerability from cvelistv5
Published
2023-07-17 15:25
Modified
2024-10-22 13:40
Severity ?
4.2 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost fails to disable public Boards after the "Enable Publicly-Shared Boards" configuration option is disabled, resulting in previously-shared public Boards to remain accessible.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.6
Version: 0   ≤ 7.9.4
Version: 0   ≤ 7.10.2
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CVE-2025-47870 (GCVE-0-2025-47870)
Vulnerability from cvelistv5
Published
2025-08-21 08:02
Modified
2025-08-21 13:53
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-306 - Missing Authentication for Critical Function
Summary
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2 fail to sanitize the team invite ID in the POST /api/v4/teams/:teamId/restore endpoint which allows an team admin with no member invite privileges to get the team’s invite id.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.8.0   ≤ 10.8.3
Version: 10.5.0   ≤ 10.5.8
Version: 9.11.0   ≤ 9.11.17
Version: 10.9.0   ≤ 10.9.2
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CVE-2024-23493 (GCVE-0-2024-23493)
Vulnerability from cvelistv5
Published
2024-02-29 08:02
Modified
2024-08-01 23:06
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost fails to properly authorize the requests fetching team associated AD/LDAP groups, allowing a user to fetch details of AD/LDAP groups of a team that they are not a member of. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 9.4.1
Version: 0   ≤ 9.3.0
Version: 0   ≤ 9.2.5
Version: 0   ≤ 8.1.8
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CVE-2024-39274 (GCVE-0-2024-39274)
Vulnerability from cvelistv5
Published
2024-08-01 14:05
Modified
2024-08-02 15:10
Severity ?
8.7 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to properly validate that the channel that comes from the sync message is a shared channel, when shared channels are enabled, which allows a malicious remote to add users to arbitrary teams and channels
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0
Version: 9.5.0   ≤ 9.5.6
Version: 9.7.0   ≤ 9.7.5
Version: 9.8.0   ≤ 9.8.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-20051 (GCVE-0-2025-20051)
Vulnerability from cvelistv5
Published
2025-02-24 07:27
Modified
2025-02-24 11:20
Severity ?
9.9 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate input when patching and duplicating a board, which allows a user to read any arbitrary file on the system via duplicating a specially crafted block in Boards.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.4.0   ≤ 10.4.1
Version: 9.11.0   ≤ 9.11.7
Version: 10.3.0   ≤ 10.3.2
Version: 10.2.0   ≤ 10.2.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-39807 (GCVE-0-2024-39807)
Vulnerability from cvelistv5
Published
2024-07-03 08:31
Modified
2024-08-02 04:26
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to properly sanitize the recipients of a webhook event which allows an attacker monitoring webhook events to retrieve the channel IDs of archived or restored channels.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.8.0
Version: 9.5.0   ≤ 9.5.5
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-3587 (GCVE-0-2023-3587)
Vulnerability from cvelistv5
Published
2023-07-17 15:26
Modified
2024-10-22 13:40
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CWE
Summary
Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.6
Version: 0   ≤ 7.9.4
Version: 0   ≤ 7.10.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-3584 (GCVE-0-2023-3584)
Vulnerability from cvelistv5
Published
2023-07-17 15:23
Modified
2024-10-21 19:50
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost fails to properly check the authorization of POST /api/v4/teams when passing a team override scheme ID in the request, allowing an authenticated attacker with knowledge of a Team Override Scheme ID to create a new team with said team override scheme.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.4
Version: 0   ≤ 7.10.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-39832 (GCVE-0-2024-39832)
Vulnerability from cvelistv5
Published
2024-08-01 14:05
Modified
2024-08-07 14:09
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to properly safeguard an error handling which allows a malicious remote to permanently delete local data by abusing dangerous error handling, when share channels were enabled.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0
Version: 9.5.0   ≤ 9.5.6
Version: 9.7.0   ≤ 9.7.5
Version: 9.8.0   ≤ 9.8.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2022-1002 (GCVE-0-2022-1002)
Vulnerability from cvelistv5
Published
2022-03-18 18:00
Modified
2024-12-06 23:10
Severity ?
2.0 (Low) - CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N
CWE
  • CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Summary
Mattermost 6.3.0 and earlier fails to properly sanitize the HTML content in the email invitation sent to guest users, which allows registered users with special permissions to invite guest users to inject unescaped HTML content in the email invitations.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   <
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-3228 (GCVE-0-2025-3228)
Vulnerability from cvelistv5
Published
2025-06-20 14:31
Modified
2025-06-23 20:45
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly retrieve requestorInfo from playbooks handler for guest users which allows an attacker access to the playbook run.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.5
Version: 9.11.0   ≤ 9.11.15
Version: 10.8.0   ≤
Version: 10.7.0   ≤ 10.7.2
Version: 10.6.0   ≤ 10.6.5
 Create a notification for this product.
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CVE-2024-28053 (GCVE-0-2024-28053)
Vulnerability from cvelistv5
Published
2024-03-15 09:08
Modified
2024-08-12 13:40
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Resource Exhaustion in Mattermost Server versions 8.1.x before 8.1.10 fails to limit the size of the payload that can be read and parsed allowing an attacker to send a very large email payload and crash the server.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 8.1.0   ≤ 8.1.9
 Create a notification for this product.
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CVE-2025-20036 (GCVE-0-2025-20036)
Vulnerability from cvelistv5
Published
2025-01-15 16:10
Modified
2025-01-15 16:49
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Summary
Mattermost Mobile Apps versions <=2.22.0 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 2.22.0
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CVE-2023-2786 (GCVE-0-2023-2786)
Vulnerability from cvelistv5
Published
2023-06-16 08:43
Modified
2024-12-06 23:03
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
Summary
Mattermost fails to properly check the permissions when executing commands allowing a member with no permissions to post a message in a channel to actually post it by executing channel commands.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.1.9
Version: 0   ≤ 7.8.4
Version: 0   ≤ 7.9.3
Version: 7.10.0
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CVE-2025-20033 (GCVE-0-2025-20033)
Vulnerability from cvelistv5
Published
2025-01-09 06:55
Modified
2025-01-09 15:05
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Summary
Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service to users with the sysconsole_read_plugins permission via creating a post with the custom_pl_notification type and specific props.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.2.0
Version: 9.11.0   ≤ 9.11.5
Version: 10.0.0   ≤ 10.0.3
Version: 10.1.0   ≤ 10.1.3
 Create a notification for this product.
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CVE-2025-47700 (GCVE-0-2025-47700)
Vulnerability from cvelistv5
Published
2025-08-21 07:28
Modified
2025-08-21 14:53
Severity ?
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Summary
Mattermost Server versions 10.5.x <= 10.5.9 utilizing the Agents plugin fail to reject empty request bodies which allows users to trick users into clicking malicious links via post actions
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.8
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CVE-2022-1385 (GCVE-0-2022-1385)
Vulnerability from cvelistv5
Published
2022-04-19 20:26
Modified
2024-12-06 23:09
Severity ?
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
CWE
  • CWE-664 - Improper Control of a Resource Through its Lifetime
Summary
Mattermost 6.4.x and earlier fails to properly invalidate pending email invitations when the action is performed from the system console, which allows accidentally invited users to join the workspace and access information from the public teams and channels.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   < 6.5.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-2527 (GCVE-0-2025-2527)
Vulnerability from cvelistv5
Published
2025-05-15 15:27
Modified
2025-05-15 15:47
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 failed to properly verify a user's permissions when accessing groups, which allows an attacker to view group information via an API request.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.2
Version: 9.11.0   ≤ 9.11.11
 Create a notification for this product.
Show details on NVD website

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CVE-2025-1412 (GCVE-0-2025-1412)
Vulnerability from cvelistv5
Published
2025-02-24 07:24
Modified
2025-02-24 11:23
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
Summary
Mattermost versions 9.11.x <= 9.11.6, 10.4.x <= 10.4.1 fail to invalidate all active sessions when converting a user to a bot, with allows the converted user to escalate their privileges depending on the permissions granted to the bot.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.11.0   ≤ 9.11.6
Version: 10.4.0   ≤ 10.4.1
 Create a notification for this product.
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CVE-2024-4183 (GCVE-0-2024-4183)
Vulnerability from cvelistv5
Published
2024-04-26 08:25
Modified
2024-08-01 20:33
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost versions 8.1.x before 8.1.12, 9.6.x before 9.6.1, 9.5.x before 9.5.3, 9.4.x before 9.4.5 fail to limit the number of active sessions, which allows an authenticated attacker to crash the server via repeated requests to the getSessions API after flooding the sessions table.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.6.0   ≤ 8.1.10
Version: 9.5.0   ≤ 9.5.2
Version: 9.4.0   ≤ 9.4.4
Version: 8.1.0   ≤ 8.1.11
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-29977 (GCVE-0-2024-29977)
Vulnerability from cvelistv5
Published
2024-08-01 14:05
Modified
2024-08-01 14:35
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitrary posts
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0
Version: 9.5.0   ≤ 9.5.6
 Create a notification for this product.
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CVE-2024-2447 (GCVE-0-2024-2447)
Vulnerability from cvelistv5
Published
2024-04-05 08:52
Modified
2024-08-01 19:11
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 8.1.x before 8.1.11, 9.3.x before 9.3.3, 9.4.x before 9.4.4, and 9.5.x before 9.5.2 fail to authenticate the source of certain types of post actions, allowing an authenticated attacker to create posts as other users via a crafted post action.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.1
Version: 9.4.0   ≤ 9.4.3
Version: 9.3.0   ≤ 9.3.2
Version: 8.1.0   ≤ 8.1.10
 Create a notification for this product.
Show details on NVD website

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CVE-2025-1398 (GCVE-0-2025-1398)
Vulnerability from cvelistv5
Published
2025-03-17 14:19
Modified
2025-03-31 15:38
Severity ?
3.3 (Low) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
Summary
Mattermost Desktop App versions <=5.10.0 explicitly declared unnecessary macOS entitlements which allows an attacker with remote access to bypass Transparency, Consent, and Control (TCC) via code injection.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 5.10.0
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CVE-2023-45847 (GCVE-0-2023-45847)
Vulnerability from cvelistv5
Published
2023-12-12 08:17
Modified
2024-12-02 16:58
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to to check the length when setting the title in a run checklist in Playbooks, allowing an attacker to send a specially crafted request and crash the Playbooks plugin
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.5
Version: 0   ≤ 9.0.3
Version: 0   ≤ 9.1.2
Version: 0   ≤ 9.2.1
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CVE-2025-30516 (GCVE-0-2025-30516)
Vulnerability from cvelistv5
Published
2025-04-14 06:56
Modified
2025-04-14 14:01
Severity ?
2.0 (Low) - CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-613 - Insufficient Session Expiration
Summary
Mattermost Mobile Apps versions <=2.25.0  fail to terminate sessions during logout under certain conditions (e.g. poor connectivity), allowing unauthorized users on shared devices to access sensitive notification content via continued mobile notifications
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 2.25.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-5331 (GCVE-0-2023-5331)
Vulnerability from cvelistv5
Published
2023-10-09 10:40
Modified
2024-09-05 19:47
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
Summary
Mattermost fails to properly check the creator of an attached file when adding the file to a draft post, potentially exposing unauthorized file information.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.10
Version: 0   ≤ 8.0.2
Version: 0   ≤ 8.1.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-3227 (GCVE-0-2025-3227)
Vulnerability from cvelistv5
Published
2025-06-20 14:31
Modified
2025-06-23 20:44
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly enforce channel member management permissions in playbook runs, allowing authenticated users without the 'Manage Channel Members' permission to add or remove users from public and private channels by manipulating playbook run participants when the run is linked to a channel.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.5
Version: 9.11.0   ≤ 9.11.15
Version: 10.8.0   ≤
Version: 10.7.0   ≤ 10.7.2
Version: 10.6.0   ≤ 10.6.5
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-2445 (GCVE-0-2024-2445)
Vulnerability from cvelistv5
Published
2024-03-15 09:19
Modified
2024-08-01 19:11
Severity ?
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Summary
Mattermost Jira plugin versions shipped with Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to escape user-controlled outputs when generating HTML pages, which allows an attacker to perform reflected cross-site scripting attacks against the users of the Mattermost server.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.4.0   ≤ 9.4.2
Version: 9.3.0   ≤ 9.3.1
Version: 9.2.0   ≤ 9.2.5
Version: 8.1.0   ≤ 8.1.9
 Create a notification for this product.
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CVE-2023-1775 (GCVE-0-2023-1775)
Vulnerability from cvelistv5
Published
2023-03-31 11:26
Modified
2024-12-06 23:05
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 3.3.0   ≤ 7.7.1
Version: 3.3.0   ≤ 7.1.5
Version: 3.3.0   ≤
Create a notification for this product.
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CVE-2024-43105 (GCVE-0-2024-43105)
Vulnerability from cvelistv5
Published
2024-08-23 07:25
Modified
2024-08-23 16:47
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost Plugin Channel Export versions <=1.0.0 fail to restrict concurrent runs of the /export command which allows a user to consume excessive resource by running the /export command multiple times at once.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 1.0.0
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CVE-2024-39810 (GCVE-0-2024-39810)
Vulnerability from cvelistv5
Published
2024-08-22 06:30
Modified
2024-08-22 12:58
Severity ?
4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost versions 9.5.x <= 9.5.7 and 9.10.x <= 9.10.0 fail to time limit and size limit the CA path file in the ElasticSearch configuration which allows a System Role with access to the Elasticsearch system console to add any file as a CA path field, such as /dev/zero and, after testing the connection, cause the application to crash.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.7
Version: 9.10.0
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CVE-2023-3585 (GCVE-0-2023-3585)
Vulnerability from cvelistv5
Published
2023-07-17 15:24
Modified
2024-10-21 19:43
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost Boards fail to properly validate a board link, allowing an attacker to crash a channel by posting a specially crafted boards link.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.6
Version: 0   ≤ 7.9.4
Version: 0   ≤ 7.10.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-1887 (GCVE-0-2024-1887)
Vulnerability from cvelistv5
Published
2024-02-29 08:05
Modified
2024-08-07 17:38
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost fails to check if compliance export is enabled when fetching posts of public channels allowing a user that is not a member of the public channel to fetch the posts, which will not be audited in the compliance export. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.8
Version: 0   ≤ 9.2.4
Version: 0   ≤ 9.3.0
 Create a notification for this product.
Show details on NVD website

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CVE-2025-27715 (GCVE-0-2025-27715)
Vulnerability from cvelistv5
Published
2025-03-21 08:22
Modified
2025-03-21 13:35
Severity ?
3.3 (Low) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.11.0   ≤ 9.11.8
 Create a notification for this product.
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CVE-2022-0708 (GCVE-0-2022-0708)
Vulnerability from cvelistv5
Published
2022-02-21 17:49
Modified
2024-12-06 23:11
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
Summary
Mattermost 6.3.0 and earlier fails to protect email addresses of the creator of the team via one of the APIs, which allows authenticated team members to access this information resulting in sensitive & private information disclosure.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: unspecified   <
Patch: 6.2.2   < unspecified
Patch: 6.1.2   < unspecified
Patch: 5.37.7   < unspecified
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CVE-2025-0503 (GCVE-0-2025-0503)
Vulnerability from cvelistv5
Published
2025-02-14 17:52
Modified
2025-02-14 18:09
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Summary
Mattermost versions 9.11.x <= 9.11.6 fail to filter out DMs from the deleted channels endpoint which allows an attacker to infer user IDs and other metadata from deleted DMs if someone had manually marked DMs as deleted in the database.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.11.0   ≤ 9.11.6
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CVE-2025-22445 (GCVE-0-2025-22445)
Vulnerability from cvelistv5
Published
2025-01-09 06:55
Modified
2025-01-09 15:46
Severity ?
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Summary
Mattermost versions 10.x <= 10.2 fail to accurately reflect missing settings, which allows confusion for admins regarding a Calls security-sensitive configuration via incorrect UI reporting.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.0.*   ≤ 10.2.*
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CVE-2023-49874 (GCVE-0-2023-49874)
Vulnerability from cvelistv5
Published
2023-12-12 08:17
Modified
2024-08-02 22:01
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost fails to check whether a user is a guest when updating the tasks of a private playbook run allowing a guest to update the tasks of a private playbook run if they know the run ID.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.5
Version: 0   ≤ 9.0.3
Version: 0   ≤ 9.1.2
Version: 0   ≤ 9.2.1
Version: 0   ≤ 7.8.14
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CVE-2023-27264 (GCVE-0-2023-27264)
Vulnerability from cvelistv5
Published
2023-02-27 14:46
Modified
2024-12-06 23:06
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
CWE
Summary
A missing permissions check in Mattermost Playbooks in Mattermost allows an attacker to modify a playbook via the /plugins/playbooks/api/v0/playbooks/[playbookID] API.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.5.1
Version: 0   ≤ 7.4.0
Version: 0   ≤ 7.1.4
 Create a notification for this product.
Show details on NVD website

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CVE-2024-3872 (GCVE-0-2024-3872)
Vulnerability from cvelistv5
Published
2024-04-16 09:05
Modified
2024-08-01 20:26
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost Mobile app versions 2.13.0 and earlier use a regular expression with polynomial complexity to parse certain deeplinks, which allows an unauthenticated remote attacker to freeze or crash the app via a long maliciously crafted link.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 2.13.0
 Create a notification for this product.
Show details on NVD website

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CVE-2024-1952 (GCVE-0-2024-1952)
Vulnerability from cvelistv5
Published
2024-02-29 10:42
Modified
2025-04-22 15:52
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost version 8.1.x before 8.1.9 fails to sanitize data associated with permalinks when a plugin updates an ephemeral post, allowing an authenticated attacker who can control the ephemeral post update to access individual posts' contents in channels they are not a member of.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 8.1.0   ≤ 8.1.8
 Create a notification for this product.
Show details on NVD website

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CVE-2024-11358 (GCVE-0-2024-11358)
Vulnerability from cvelistv5
Published
2024-12-16 16:20
Modified
2024-12-16 18:09
Severity ?
5.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost Android Mobile Apps versions <=2.21.0 fail to properly configure file providers which allows an attacker with local access to access files via file provider.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 2.21.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-2797 (GCVE-0-2023-2797)
Vulnerability from cvelistv5
Published
2023-06-16 09:03
Modified
2024-12-06 22:59
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Summary
Mattermost fails to sanitize code permalinks, allowing an attacker to preview code from private repositories by posting a specially crafted permalink on a channel.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Github Plugin Version: 0   ≤ 7.1.9
Version: 0   ≤ 7.8.4
Version: 7.10.0
 Create a notification for this product.
Show details on NVD website

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CVE-2023-6202 (GCVE-0-2023-6202)
Vulnerability from cvelistv5
Published
2023-11-27 09:12
Modified
2024-10-11 17:58
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information (e.g. name, surname, nickname) via Mattermost Boards.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.12
Version: 0   ≤ 8.1.3
Version: 0   ≤ 9.0.1
Version: 0   ≤ 9.1.0
 Create a notification for this product.
Show details on NVD website

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CVE-2023-5333 (GCVE-0-2023-5333)
Vulnerability from cvelistv5
Published
2023-10-09 10:41
Modified
2024-09-05 19:46
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to deduplicate input IDs allowing a simple user to cause the application to consume excessive resources and possibly crash by sending a specially crafted request to /api/v4/users/ids with multiple identical IDs.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.10
Version: 0   ≤ 8.0.2
Version: 0   ≤ 8.1.1
 Create a notification for this product.
Show details on NVD website

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CVE-2023-5968 (GCVE-0-2023-5968)
Vulnerability from cvelistv5
Published
2023-11-06 15:35
Modified
2024-09-12 19:26
Severity ?
4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost fails to properly sanitize the user object when updating the username, resulting in the password hash being included in the response body. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.11
Version: 0   ≤ 8.0.3
Version: 0   ≤ 8.1.2
Version: 0   ≤ 9.0.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2022-1332 (GCVE-0-2022-1332)
Vulnerability from cvelistv5
Published
2022-04-13 17:06
Modified
2024-12-06 23:09
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
Summary
One of the API in Mattermost version 6.4.1 and earlier fails to properly protect the permissions, which allows the authenticated members with restricted custom admin role to bypass the restrictions and view the server logs and server config.json file contents.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 6.4   < 6.4.2
Version: 6.3   < 6.3.5
Version: 6.2   < 6.2.5
Version: 5.37   < 5.37.9
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-39839 (GCVE-0-2024-39839)
Vulnerability from cvelistv5
Published
2024-08-01 14:05
Modified
2024-08-01 18:04
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow users to set their own remote username, when shared channels were enabled, which allows a user on a remote to set their remote username prop to an arbitrary string, which would be then synced to the local server as long as the user hadn't been synced before.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0
Version: 9.5.0   ≤ 9.5.6
Version: 9.7.0   ≤ 9.7.5
Version: 9.8.0   ≤ 9.8.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-47145 (GCVE-0-2024-47145)
Vulnerability from cvelistv5
Published
2024-09-26 08:01
Modified
2024-09-26 13:12
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.5.x <= 9.5.8 fail to properly authorize access to archived channels when viewing archived channels is disabled, which allows an attacker to view posts and files of archived channels via file links.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.8
 Create a notification for this product.
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CVE-2023-6459 (GCVE-0-2023-6459)
Vulnerability from cvelistv5
Published
2023-12-06 08:11
Modified
2024-12-16 16:02
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost is grouping calls in the /metrics endpoint by id and reports that id in the response. Since this id is the channelID, the public /metrics endpoint is revealing channelIDs.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.13
Version: 0   ≤ 8.1.4
 Create a notification for this product.
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CVE-2024-34029 (GCVE-0-2024-34029)
Vulnerability from cvelistv5
Published
2024-05-26 13:27
Modified
2024-08-02 02:42
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost versions 9.5.x <= 9.5.3, 9.7.x <= 9.7.1 and 8.1.x <= 8.1.12 fail to perform a proper authorization check in the /api/v4/groups/<group-id>/channels/<channel-id>/link endpoint which allows a user to learn the members of an AD/LDAP group that is linked to a team by adding the group to a channel, even if the user has no access to the team.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.3
Version: 9.7.0   ≤ 9.7.1
Version: 8.1.0   ≤ 8.1.12
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2022-2401 (GCVE-0-2022-2401)
Vulnerability from cvelistv5
Published
2022-07-14 17:20
Modified
2024-12-06 23:08
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
Summary
Unrestricted information disclosure of all users in Mattermost version 6.7.0 and earlier allows team members to access some sensitive information by directly accessing the APIs.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 6.7.x 6.7.0
Version: 6.x   <
Version: 6.5.x   <
Version: 6.6.x   <
Create a notification for this product.
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To clipboard 

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CVE-2023-35075 (GCVE-0-2023-35075)
Vulnerability from cvelistv5
Published
2023-11-27 09:09
Modified
2025-06-03 14:01
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Summary
Mattermost fails to use  innerText / textContent when setting the channel name in the webapp during autocomplete, allowing an attacker to inject HTML to a victim's page by create a channel name that is valid HTML. No XSS is possible though. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.3
Version: 0   ≤ 7.8.12
 Create a notification for this product.
Show details on NVD website

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CVE-2024-1942 (GCVE-0-2024-1942)
Vulnerability from cvelistv5
Published
2024-02-29 10:41
Modified
2024-08-12 13:16
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.2.0   ≤ 9.2.4
Version: 8.1.0   ≤ 8.1.8
Version: 9.3.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-5522 (GCVE-0-2023-5522)
Vulnerability from cvelistv5
Published
2023-10-17 09:41
Modified
2024-09-05 19:58
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost Mobile fails to limit the maximum number of Markdown elements in a post allowing an attacker to send a post with hundreds of emojis to a channel and freeze the mobile app of users when viewing that particular channel. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-5196 (GCVE-0-2023-5196)
Vulnerability from cvelistv5
Published
2023-09-29 09:22
Modified
2024-09-20 16:02
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to enforce character limits in all possible notification props allowing an attacker to send a really long value for a notification_prop resulting in the server consuming an abnormal quantity of computing resources and possibly becoming temporarily unavailable for its users.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.9
Version: 8.1.0
Version: 0   ≤ 8.0.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-4478 (GCVE-0-2023-4478)
Vulnerability from cvelistv5
Published
2023-08-25 09:06
Modified
2024-09-30 18:17
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CWE
  • CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Summary
Mattermost fails to restrict which parameters' values it takes from the request during signup allowing an attacker to register users as inactive, thus blocking them from later accessing Mattermost without the system admin activating their accounts.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.8
Version: 0   ≤ 7.10.4
Version: 8.0.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-8071 (GCVE-0-2024-8071)
Vulnerability from cvelistv5
Published
2024-08-22 06:39
Modified
2024-08-22 13:33
Severity ?
4.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to restrict which roles can promote a user as system admin which allows a System Role with edit access to the permissions section of system console to update their role (e.g. member) to include the `manage_system` permission, effectively becoming a System Admin.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0   ≤ 9.9.1
Version: 9.5.0   ≤ 9.5.7
Version: 9.10.0
Version: 9.8.0   ≤ 9.8.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-12247 (GCVE-0-2024-12247)
Vulnerability from cvelistv5
Published
2024-12-05 15:20
Modified
2024-12-05 16:58
Severity ?
4.6 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 9.7.x <= 9.7.5, 9.8.x <= 9.8.2 and 9.9.x <= 9.9.2 fail to properly propagate permission scheme updates across cluster nodes which allows a user to keep old permissions, even if the permission scheme has been updated.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.7.0   ≤ 9.7.5
Version: 9.8.0   ≤ 9.8.2
Version: 9.9.0   ≤ 9.9.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-36241 (GCVE-0-2024-36241)
Vulnerability from cvelistv5
Published
2024-05-26 13:32
Modified
2024-08-02 03:30
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1 and 8.1.x <= 8.1.12 fail to enforce proper access controls which allows user to view arbitrary post contents via the /playbook add slash command
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.3
Version: 9.6.0   ≤ 9.6.1
Version: 8.1.0   ≤ 8.1.12
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CVE-2025-36530 (GCVE-0-2025-36530)
Vulnerability from cvelistv5
Published
2025-08-21 07:11
Modified
2025-08-21 13:50
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Mattermost versions 10.9.x <= 10.9.1, 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin signature enforcement and marketplace restrictions.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.9.0   ≤ 10.9.1
Version: 10.8.0   ≤ 10.8.3
Version: 10.5.0   ≤ 10.5.8
Version: 9.11.0   ≤ 9.11.17
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CVE-2023-2514 (GCVE-0-2023-2514)
Vulnerability from cvelistv5
Published
2023-05-12 08:56
Modified
2024-12-06 23:04
Severity ?
6.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost Sever fails to redact the DB username and password before emitting an application log during server initialization. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.1.7
Version: 0   ≤ 7.8.2
Version: 0   ≤ 7.9.1
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CVE-2023-5159 (GCVE-0-2023-5159)
Vulnerability from cvelistv5
Published
2023-09-29 09:21
Modified
2024-09-20 16:02
Severity ?
3.8 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost fails to properly verify the permissions when managing/updating a bot allowing a User Manager role with user edit permissions to manage/update bots.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.7.9
Version: 0   ≤ 8.1.0
 Create a notification for this product.
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CVE-2025-53971 (GCVE-0-2025-53971)
Vulnerability from cvelistv5
Published
2025-08-21 07:31
Modified
2025-08-21 14:51
Severity ?
3.8 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate authorization for team scheme role modifications which allows Team Admins to demote Team Members to Guests via the PUT /api/v4/teams/team-id/members/user-id/schemeRoles API endpoint.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.8
Version: 9.11.0   ≤ 9.11.17
 Create a notification for this product.
Show details on NVD website

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CVE-2025-24920 (GCVE-0-2025-24920)
Vulnerability from cvelistv5
Published
2025-03-21 08:25
Modified
2025-03-21 12:28
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8, 10.5.x <= 10.5.0 fail to restrict bookmark creation and updates in archived channels, which allows authenticated users created or update bookmarked in archived channels
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.4.0   ≤ 10.4.2
Version: 10.3.0   ≤ 10.3.3
Version: 9.11.0   ≤ 9.11.8
Version: 10.5.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-46872 (GCVE-0-2024-46872)
Vulnerability from cvelistv5
Published
2024-10-29 08:12
Modified
2024-10-29 12:51
Severity ?
4.6 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
CWE
  • CWE-352 - Cross-Site Request Forgery (CSRF)
Summary
Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1, 9.5.x <= 9.5.9 fail to sanitize user inputs in the frontend that are used for redirection which allows for a one-click client-side path traversal that is leading to CSRF in Playbooks
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.10.0   ≤ 9.10.2
Version: 9.11.0   ≤ 9.11.1
Version: 9.5.0   ≤ 9.5.9
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-20086 (GCVE-0-2025-20086)
Vulnerability from cvelistv5
Published
2025-01-15 16:49
Modified
2025-02-12 20:31
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Summary
Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.2.0   ≤
Version: 9.11.0   ≤ 9.11.5
Version: 10.0.0   ≤ 10.0.3
Version: 10.1.0   ≤ 10.1.3
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Show details on NVD website

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CVE-2023-3577 (GCVE-0-2023-3577)
Vulnerability from cvelistv5
Published
2023-07-17 15:18
Modified
2024-10-21 19:58
Severity ?
3.5 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Summary
Mattermost fails to properly restrict requests to localhost/intranet during the interactive dialog, which could allow an attacker to perform a limited blind SSRF.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.9.6
Version: 0   ≤ 7.8.6
Version: 0   ≤ 7.10.2
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CVE-2025-1472 (GCVE-0-2025-1472)
Vulnerability from cvelistv5
Published
2025-03-19 14:11
Modified
2025-03-19 14:40
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 9.11.x <= 9.11.8 fail to properly perform authorization of the Viewer role which allows an attacker with the Viewer role configured with No Access to Reporting to still view team and site statistics.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.11.0   ≤ 9.11.8
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CVE-2024-36287 (GCVE-0-2024-36287)
Vulnerability from cvelistv5
Published
2024-06-14 08:39
Modified
2024-08-02 03:37
Severity ?
3.8 (Low) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
CWE
  • CWE-693 - Protection Mechanism Failure
Summary
Mattermost Desktop App versions <=5.7.0 fail to disable certain Electron debug flags which allows for bypassing TCC restrictions on macOS.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 5.7.0
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CVE-2024-39772 (GCVE-0-2024-39772)
Vulnerability from cvelistv5
Published
2024-09-16 14:27
Modified
2024-09-16 14:42
Severity ?
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost Desktop App versions <=5.8.0 fail to safeguard screen capture functionality which allows an attacker to silently capture high-quality screenshots via JavaScript APIs.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 5.8.0
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CVE-2024-41926 (GCVE-0-2024-41926)
Vulnerability from cvelistv5
Published
2024-08-01 14:05
Modified
2024-08-01 14:32
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.9.x <= 9.9.0 and 9.5.x <= 9.5.6 fail to validate the source of sync messages and only allow the correct remote IDs, which allows a malicious remote to set arbitrary RemoteId values for synced users and therefore claim that a user was synced from another remote.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0
Version: 9.5.0   ≤ 9.5.6
 Create a notification for this product.
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CVE-2025-24839 (GCVE-0-2025-24839)
Vulnerability from cvelistv5
Published
2025-04-16 07:44
Modified
2025-04-16 14:34
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to prevent Wrangler posts from triggering AI responses. This vulnerability allows users without access to the AI bot to activate it by attaching the activate_ai override property to a post via the Wrangler plugin, provided both the AI and Wrangler plugins are enabled.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.1
Version: 10.4.0   ≤ 10.4.3
Version: 9.11.0   ≤ 9.11.9
 Create a notification for this product.
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CVE-2025-20621 (GCVE-0-2025-20621)
Vulnerability from cvelistv5
Published
2025-01-16 18:16
Modified
2025-01-16 18:57
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Summary
Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the webapp to crash via creating and sending such a post to a channel.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.2.0   ≤ 10.2.0
Version: 9.11.0   ≤ 9.11.5
Version: 10.0.0   ≤ 10.0.3
Version: 10.1.0   ≤ 10.1.3
 Create a notification for this product.
Show details on NVD website

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CVE-2023-27266 (GCVE-0-2023-27266)
Vulnerability from cvelistv5
Published
2023-02-27 14:46
Modified
2024-12-06 23:06
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the /api/v4/users/me/teams API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 5.12.0   ≤
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CVE-2023-6727 (GCVE-0-2023-6727)
Vulnerability from cvelistv5
Published
2023-12-12 10:53
Modified
2025-05-24 10:25
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost fails to perform correct authorization checks when creating a playbook action, allowing users without access to the playbook to create playbook actions. If the playbook action created is to post a message in a channel based on specific keywords in a post, some playbook information, like the name, can be leaked. 
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.5
Version: 0   ≤ 9.2.1
 Create a notification for this product.
Show details on NVD website

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CVE-2024-29221 (GCVE-0-2024-29221)
Vulnerability from cvelistv5
Published
2024-04-05 08:15
Modified
2024-08-02 01:10
Severity ?
4.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-284 - Improper Access Control
Summary
Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the `/api/v4/users/me/teams` endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users, even if the "Add Members" permission was explicitly removed from team admins.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.1
Version: 9.4.0   ≤ 9.4.3
Version: 9.3.0   ≤ 9.3.2
Version: 8.1.0   ≤ 8.1.10
 Create a notification for this product.
Show details on NVD website

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CVE-2024-39837 (GCVE-0-2024-39837)
Vulnerability from cvelistv5
Published
2024-08-01 14:05
Modified
2024-08-01 20:47
Severity ?
3.8 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly restrict channel creation which allows a malicious remote to create arbitrary channels, when shared channels were enabled.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0
Version: 9.5.0   ≤ 9.5.6
 Create a notification for this product.
Show details on NVD website

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CVE-2023-48268 (GCVE-0-2023-48268)
Vulnerability from cvelistv5
Published
2023-11-27 09:07
Modified
2024-12-02 19:33
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Mattermost fails to limit the amount of data extracted from compressed archives during board import in Mattermost Boards allowing an attacker to consume excessive resources, possibly leading to Denial of Service, by importing a board using a specially crafted zip (zip bomb).
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.12
Version: 0   ≤ 8.1.3
Version: 0   ≤ 9.0.1
Version: 0   ≤ 9.1.0
 Create a notification for this product.
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CVE-2024-40884 (GCVE-0-2024-40884)
Vulnerability from cvelistv5
Published
2024-08-22 15:17
Modified
2024-08-22 18:08
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 fail to properly enforce permissions which allows a team admin user without "Add Team Members" permission to disable the invite URL.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.7
Version: 9.10.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-6233 (GCVE-0-2025-6233)
Vulnerability from cvelistv5
Published
2025-07-18 09:09
Modified
2025-07-18 12:30
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Summary
Mattermost versions 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to sanitize input paths of file attachments in the bulk import JSONL file, which allows a system admin to read arbitrary system files via path traversal.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.8.0   ≤ 10.8.1
Version: 10.7.0   ≤ 10.7.3
Version: 10.5.0   ≤ 10.5.7
Version: 9.11.0   ≤ 9.11.16
 Create a notification for this product.
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To clipboard 

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CVE-2024-24776 (GCVE-0-2024-24776)
Vulnerability from cvelistv5
Published
2024-02-09 14:50
Modified
2024-08-01 23:28
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost fails to check the required permissions in the POST /api/v4/channels/stats/member_count API resulting in channel member counts being leaked to a user without permissions.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.7
Version: 9.4.0
 Create a notification for this product.
Show details on NVD website

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CVE-2025-2571 (GCVE-0-2025-2571)
Vulnerability from cvelistv5
Published
2025-05-30 14:22
Modified
2025-05-30 14:44
Severity ?
4.2 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Summary
Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to clear Google OAuth credentials when converting user accounts to bot accounts, allowing attackers to gain unauthorized access to bot accounts via the Google OAuth signup flow.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.7.0   ≤
Version: 10.6.0   ≤ 10.6.2
Version: 10.5.0   ≤ 10.5.3
Version: 9.11.0   ≤ 9.11.12
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-7114 (GCVE-0-2023-7114)
Vulnerability from cvelistv5
Published
2023-12-29 12:46
Modified
2024-09-09 17:28
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L
CWE
  • CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Summary
Mattermost version 2.10.0 and earlier fails to sanitize deeplink paths, which allows an attacker to perform CSRF attacks against the server.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 2.10.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-32093 (GCVE-0-2025-32093)
Vulnerability from cvelistv5
Published
2025-04-14 06:57
Modified
2025-04-14 13:58
Severity ?
4.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to restrict certain operations on system admins to only other system admins, which allows delegated granular administration users with the "Edit Other Users" permission to perform unauthorized modifications to system administrators via improper permission validation.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.1
Version: 10.4.0   ≤ 10.4.3
Version: 9.11.0   ≤ 9.11.9
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CVE-2024-1888 (GCVE-0-2024-1888)
Vulnerability from cvelistv5
Published
2024-02-29 08:08
Modified
2024-08-01 18:56
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost fails to check the "invite_guest" permission when inviting guests of other teams to a team, allowing a member with permissions to add other members but not to add guests to add a guest to a team as long as the guest was already a guest in another team of the server
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 9.4.1
Version: 0   ≤ 9.3.0
Version: 0   ≤ 9.2.4
Version: 0   ≤ 8.1.8
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CVE-2023-1777 (GCVE-0-2023-1777)
Vulnerability from cvelistv5
Published
2023-03-31 11:35
Modified
2024-12-06 23:05
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 6.3.0   ≤ 7.7.1
Version: 6.3.0   ≤ 7.1.5
Version: 6.3.0   ≤ 7.8.0
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CVE-2024-34152 (GCVE-0-2024-34152)
Vulnerability from cvelistv5
Published
2024-05-26 13:28
Modified
2024-09-03 16:03
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1 and 8.1.x <= 8.1.12 fail to perform proper access control which allows a guest to get the metadata of a public playbook run that linked to the channel they are guest via sending an RHSRuns GraphQL query request to the server
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.5.0   ≤ 9.5.3
Version: 9.6.0   ≤ 9.6.1
Version: 8.1.0   ≤ 8.1.12
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CVE-2024-39830 (GCVE-0-2024-39830)
Vulnerability from cvelistv5
Published
2024-07-03 08:32
Modified
2024-08-02 04:26
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-287 - Improper Authentication
Summary
Mattermost versions 9.8.x <= 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5, when shared channels are enabled, fail to use constant time comparison for remote cluster tokens which allows an attacker to retrieve the remote cluster token via a timing attack during remote cluster token comparison.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.8.0
Version: 9.7.0   ≤ 9.7.4
Version: 9.6.0   ≤ 9.6.2
Version: 9.5.0   ≤ 9.5.5
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-27263 (GCVE-0-2023-27263)
Vulnerability from cvelistv5
Published
2023-02-27 14:44
Modified
2024-12-06 23:07
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
Summary
A missing permissions check in the /plugins/playbooks/api/v0/runs API in Mattermost allows an attacker to list and view playbooks belonging to a team they are not a member of.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.5.1
Version: 0   ≤ 7.4.0
Version: 0   ≤ 7.1.4
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-3581 (GCVE-0-2023-3581)
Vulnerability from cvelistv5
Published
2023-07-17 15:20
Modified
2024-10-30 13:54
Severity ?
6.2 (Medium) - CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-346 - Origin Validation Error
Summary
Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 7.8.6
Version: 0   ≤ 7.9.4
Version: 0   ≤ 7.10.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-1792 (GCVE-0-2025-1792)
Vulnerability from cvelistv5
Published
2025-05-30 14:22
Modified
2025-06-12 17:07
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
Mattermost versions 10.7.x <= 10.7.0, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to properly enforce access controls for guest users accessing channel member information, allowing authenticated guest users to view metadata about members of public channels via the channel members API endpoint.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.3
Version: 9.11.0   ≤ 9.11.12
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-36492 (GCVE-0-2024-36492)
Vulnerability from cvelistv5
Published
2024-08-01 14:05
Modified
2024-08-05 16:57
Severity ?
7.4 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow the modification of local users when syncing users in shared channels. which allows a malicious remote to overwrite an existing local user.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.9.0
Version: 9.5.0   ≤ 9.5.6
Version: 9.7.0   ≤ 9.7.5
Version: 9.8.0   ≤ 9.8.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-11599 (GCVE-0-2024-11599)
Vulnerability from cvelistv5
Published
2024-11-28 09:42
Modified
2024-11-29 19:55
Severity ?
8.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Summary
Mattermost versions 10.0.x <= 10.0.1, 10.1.x <= 10.1.1, 9.11.x <= 9.11.3, 9.5.x <= 9.5.11 fail to properly validate email addresses which allows an unauthenticated user to bypass email domain restrictions via carefully crafted input on email registration.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.0.0   ≤ 10.0.1
Version: 10.1.0   ≤ 10.1.1
Version: 9.11.0   ≤ 9.11.3
Version: 9.5.0   ≤ 9.5.11
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-4195 (GCVE-0-2024-4195)
Vulnerability from cvelistv5
Published
2024-04-26 08:26
Modified
2024-08-01 20:33
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Summary
Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes, which allows an attacker authenticated as a team admin to promote guests to team admins via crafted HTTP requests.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 9.6.0
Version: 9.5.0   ≤ 9.5.2
Version: 8.1.0   ≤ 8.1.11
 Create a notification for this product.
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CVE-2025-49222 (GCVE-0-2025-49222)
Vulnerability from cvelistv5
Published
2025-08-21 07:59
Modified
2025-08-21 13:57
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Summary
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2, 10.10.x <= 10.10.0 fail to validate upload types in remote cluster upload sessions which allows a system admin to upload non-attachment file types via shared channels that could potentially be placed in arbitrary filesystem directories.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.8.0   ≤ 10.8.3
Version: 10.5.0   ≤ 10.5.8
Version: 9.11.0   ≤ 9.11.17
Version: 10.9.0   ≤ 10.9.2
Version: 10.10.0   ≤ 10.10.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-48732 (GCVE-0-2023-48732)
Vulnerability from cvelistv5
Published
2024-01-02 09:52
Modified
2025-06-03 14:45
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Mattermost fails to scope the WebSocket response around notified users to a each user separately resulting in the WebSocket broadcasting the information about who was notified about a post to everyone else in the channel.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 0   ≤ 8.1.6
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-4981 (GCVE-0-2025-4981)
Vulnerability from cvelistv5
Published
2025-06-20 10:27
Modified
2025-06-20 13:10
Severity ?
9.9 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-427 - Uncontrolled Search Path Element
Summary
Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to sanitize filenames in the archive extractor which allows authenticated users to write files to arbitrary locations on the filesystem via uploading archives with path traversal sequences in filenames, potentially leading to remote code execution. The vulnerability impacts instances where file uploads and document search by content is enabled (FileSettings.EnableFileAttachments = true and FileSettings.ExtractContent = true). These configuration settings are enabled by default.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.5.0   ≤ 10.5.5
Version: 9.11.0   ≤ 9.11.15
Version: 10.8.0   ≤ 10.8.0
Version: 10.7.0   ≤ 10.7.2
Version: 10.6.0   ≤ 10.6.5
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-4981",
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                "timestamp": "2025-06-20T13:06:30.529064Z",
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          "type": "finder",
          "value": "Dawid Kulikowski (daw10)"
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        }
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    "dateReserved": "2025-05-20T06:57:13.788Z",
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  },
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  "dataVersion": "5.1"
}

Vulnerability from fkie_nvd
Published
2023-11-27 10:15
Modified
2024-11-21 08:29
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked "Back to Mattermost" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 9.1.0


To clipboard 

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      "type": "Primary"
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  ]
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Vulnerability from fkie_nvd
Published
2024-07-03 09:15
Modified
2024-11-21 09:27
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Summary
Mattermost versions 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5 fail to prevent users from specifying a RemoteId for their posts which allows an attacker to specify both a remoteId and the post ID, resulting in creating a post with a user-defined post ID. This can cause some broken functionality in the channel or thread with user-defined posts
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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  "published": "2024-07-03T09:15:06.917",
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      "type": "Primary"
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Vulnerability from fkie_nvd
Published
2024-08-22 07:15
Modified
2024-08-23 16:17
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server."
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-07-03 09:15
Modified
2024-11-21 09:28
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
Mattermost versions 9.8.x <= 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5, when shared channels are enabled, fail to use constant time comparison for remote cluster tokens which allows an attacker to retrieve the remote cluster token via a timing attack during remote cluster token comparison.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2022-01-18 17:15
Modified
2024-11-21 06:16
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
5.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Summary
Mattermost 6.2 and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.
References
responsibledisclosure@mattermost.comhttps://hackerone.com/reports/1428260Permissions Required
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/1428260Permissions Required
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-08-11 07:15
Modified
2024-11-21 08:34
Severity ?
4.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
Mattermost fails to sanitize post metadata during audit logging resulting in permalinks contents being logged
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2022-07-14 18:15
Modified
2024-11-21 07:00
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the server by importing large files via the Slack import REST API.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 6.6.0
mattermost mattermost 6.6.1
mattermost mattermost 6.7.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-07-03 09:15
Modified
2024-11-21 09:27
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to sanitize the RemoteClusterFrame payloads before audit logging them which allows a high privileged attacker with access to the audit logs to read message contents.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost 9.8.0


To clipboard 

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      "lang": "en",
      "value": "Mattermost versions 9.5.x \u003c= 9.5.5 and 9.8.0 fail to sanitize the RemoteClusterFrame payloads before audit logging them which allows a high privileged attacker with access to the audit logs to read message contents."
    },
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    }
  ],
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  "lastModified": "2024-11-21T09:27:31.997",
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Vulnerability from fkie_nvd
Published
2023-11-27 09:15
Modified
2024-11-21 08:30
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
Mattermost fails to check if hardened mode is enabled when overriding the username and/or the icon when posting a post. If settings allowed integrations to override the username and profile picture when posting, a member could also override the username and icon when making a post even if the Hardened Mode setting was enabled
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *


To clipboard 

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    },
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Vulnerability from fkie_nvd
Published
2023-11-27 10:15
Modified
2024-11-21 08:26
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost fails to properly validate the "Show Full Name" option in a few endpoints in Mattermost Boards, allowing a member to get the full name of another user even if the Show Full Name option was disabled. 
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2021-09-22 17:15
Modified
2024-11-21 06:15
Severity ?
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-08-11 07:15
Modified
2024-11-21 08:34
Severity ?
6.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
Mattermost fails to check if the requesting user is a guest before performing different actions to public playbooks, resulting a guest being able to view, join, edit, export and archive public playbooks.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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      "type": "Primary"
    }
  ]
}

Vulnerability from fkie_nvd
Published
2023-06-16 09:15
Modified
2024-11-21 07:59
Severity ?
4.2 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Summary
Mattermost fails to verify if the requestor is a sysadmin or not, before allowing `install` requests to the Apps allowing a regular user send install requests to the Apps.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 7.10.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-12-29 13:15
Modified
2024-11-21 08:45
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Mattermost version 2.10.0 and earlier fails to sanitize deeplink paths, which allows an attacker to perform CSRF attacks against the server.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-09-29 10:15
Modified
2024-11-21 08:41
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Mattermost fails to enforce character limits in all possible notification props allowing an attacker to send a really long value for a notification_prop resulting in the server consuming an abnormal quantity of computing resources and possibly becoming temporarily unavailable for its users.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-10-28 15:15
Modified
2024-11-05 17:03
Severity ?
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Summary
Mattermost versions 9.11.X <= 9.11.1, 9.5.x <= 9.5.9 icorrectly issues two sessions when using desktop SSO - one in the browser and one in desktop with incorrect settings.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-08-22 07:15
Modified
2024-08-23 16:16
Severity ?
4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Summary
Mattermost versions 9.5.x <= 9.5.7 and 9.10.x <= 9.10.0 fail to time limit and size limit the CA path file in the ElasticSearch configuration which allows a System Role with access to the Elasticsearch system console to add any file as a CA path field, such as /dev/zero and, after testing the connection, cause the application to crash.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *


To clipboard 

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        },
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        "impactScore": 3.6,
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        "type": "Secondary"
      },
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          "baseScore": 4.9,
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          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  },
  "published": "2024-08-22T07:15:03.743",
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  "vulnStatus": "Analyzed",
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      "type": "Secondary"
    },
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          "value": "NVD-CWE-noinfo"
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

Vulnerability from fkie_nvd
Published
2020-06-19 15:15
Modified
2024-11-21 04:39
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Summary
An issue was discovered in Mattermost Mobile Apps before 1.26.0. An attacker can use directory traversal with the Video Preview feature to overwrite arbitrary files on a device.
References
cve@mitre.orghttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-03-22 11:15
Modified
2024-11-21 07:39
Severity ?
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost fails to check the "Show Full Name" setting when rendering the result for the /plugins/focalboard/api/v2/users API call, allowing an attacker to learn the full name of a board owner.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-08-22 07:15
Modified
2024-08-23 16:04
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to restrict the input in POST /api/v4/users which allows a user to manipulate the creation date in POST /api/v4/users tricking the admin into believing their account is much older.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-07-03 09:15
Modified
2024-11-21 09:49
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Summary
Mattermost versions 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2, 9.5.x <= 9.5.5 fail to prevent specifying a RemoteId when creating a new user which allows an attacker to specify both a remoteId and the user ID, resulting in creating a user with a user-defined user ID. This can cause some broken functionality in User Management such administrative actions against the user not working.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-08-22 07:15
Modified
2024-08-23 16:09
Severity ?
4.6 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to sanitize user inputs in the frontend that are used for redirection which allows for a one-click client-side path traversal that is leading to CSRF in User Management page of the system console.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2022-11-23 06:15
Modified
2024-11-21 07:34
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
A denial-of-service vulnerability in the Mattermost Playbooks plugin allows an authenticated user to crash the server via multiple large requests to one of the Playbooks API endpoints.
References
responsibledisclosure@mattermost.comhttps://hackerone.com/reports/1685979Third Party Advisory
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/1685979Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost -


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-02-27 15:15
Modified
2024-11-21 07:52
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Summary
A missing permissions check in Mattermost Playbooks in Mattermost allows an attacker to modify a playbook via the /plugins/playbooks/api/v0/playbooks/[playbookID] API.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost 7.4.0
mattermost mattermost 7.5.0
mattermost mattermost 7.5.1


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-08-22 07:15
Modified
2024-08-23 15:35
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
Mattermost versions 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 fail to enforce proper access controls which allows any authenticated user, including guests, to mark any channel inside any team as read for any user.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-06-16 10:15
Modified
2024-11-21 07:59
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
Mattermost fails to sanitize code permalinks, allowing an attacker to preview code from private repositories by posting a specially crafted permalink on a channel.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 7.10.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-09-29 10:15
Modified
2024-11-21 08:41
Severity ?
4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost fails to properly check permissions when retrieving a post allowing for a System Role with the permission to manage channels to read the posts of a DM conversation.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-11-06 16:15
Modified
2024-11-21 08:42
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Summary
Mattermost fails to properly validate requests to the Calls plugin, allowing an attacker sending a request without a User Agent header to cause a panic and crash the Calls plugin
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2020-06-26 17:15
Modified
2024-11-21 05:02
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
An issue was discovered in Mattermost Mobile Apps before 1.31.2 on iOS. Unintended third-party servers could sometimes obtain authorization tokens, aka MMSA-2020-0022.
References
cve@mitre.orghttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-06-16 09:15
Modified
2024-11-21 07:59
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
Mattermost fails to check channel membership when accessing message threads, allowing an attacker to access arbitrary posts by using the message threads API.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 7.10.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-06-16 09:15
Modified
2024-11-21 07:59
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
Mattermost Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to modify the contents of the post sent by the Apps.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 7.10.0


To clipboard 

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      "value": "Mattermost Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to\u00a0modify the contents of the post sent by the Apps.\n\n"
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Vulnerability from fkie_nvd
Published
2023-05-29 10:15
Modified
2024-11-21 07:59
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost fails to normalize UTF confusable characters when determining if a preview should be generated for a hyperlink, allowing an attacker to trigger link preview on a disallowed domain using a specially crafted link.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-08-01 15:15
Modified
2024-08-23 14:36
Severity ?
8.7 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
9.6 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to disallow unsolicited invites to expose access to local channels, when shared channels are enabled, which allows a malicious remote to send an invite with the ID of an existing local channel, and that local channel will then become shared without the consent of the local admin.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 9.9.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-08-22 07:15
Modified
2024-08-23 15:34
Severity ?
4.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to restrict which roles can promote a user as system admin which allows a System Role with edit access to the permissions section of system console to update their role (e.g. member) to include the `manage_system` permission, effectively becoming a System Admin.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-11-27 10:15
Modified
2024-11-21 08:24
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost fails to check whether the  “Allow users to view archived channels”  setting is enabled during permalink previews display, allowing members to view permalink previews of archived channels even if the “Allow users to view archived channels” setting is disabled. 
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 9.1.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-08-11 07:15
Modified
2024-11-21 08:34
Severity ?
6.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Summary
Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-09-29 10:15
Modified
2024-11-21 08:41
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Summary
Mattermost fails to properly validate the permissions when soft deleting a team allowing a team member to soft delete other teams that they are not part of
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-11-27 10:15
Modified
2024-11-21 08:31
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
Mattermost fails to limit the log size of server logs allowing an attacker sending specially crafted requests to different endpoints to potentially overflow the log.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 9.1.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-06-16 09:15
Modified
2024-11-21 07:59
Severity ?
6.2 (Medium) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Summary
Mattermost fails to check if an admin user account active after an oauth2 flow is started, allowing an attacker with admin privileges to retain persistent access to Mattermost by obtaining an oauth2 access token while the attacker's account is deactivated.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 7.10.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-05-12 09:15
Modified
2024-11-21 07:58
Severity ?
6.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
Mattermost Sever fails to redact the DB username and password before emitting an application log during server initialization. 
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-06-16 10:15
Modified
2024-11-21 07:59
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
Mattermost fails to sanitize ephemeral error messages, allowing an attacker to obtain arbitrary message contents by a specially crafted /groupmsg command.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 7.10.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-06-16 09:15
Modified
2024-11-21 07:59
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters, allowing an authenticated attacker to edit an arbitrary channel post.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 7.10.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-10-17 10:15
Modified
2024-11-21 08:41
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Summary
Mattermost Mobile fails to limit the maximum number of Markdown elements in a post allowing an attacker to send a post with hundreds of emojis to a channel and freeze the mobile app of users when viewing that particular channel. 
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-06-16 09:15
Modified
2024-11-21 07:59
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
Mattermost fails to properly check the permissions when executing commands allowing a member with no permissions to post a message in a channel to actually post it by executing channel commands.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 7.10.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-08-01 15:15
Modified
2024-08-23 14:39
Severity ?
8.7 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to properly validate that the channel that comes from the sync message is a shared channel, when shared channels are enabled, which allows a malicious remote to add users to arbitrary teams and channels
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 9.9.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2022-03-18 18:15
Modified
2024-11-21 06:39
Severity ?
3.3 (Low) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Summary
One of the API in Mattermost version 6.3.0 and earlier fails to properly protect the permissions, which allows the system administrators to combine the two distinct privileges/capabilities in a way that allows them to override certain restricted configurations like EnableUploads.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2022-11-23 06:15
Modified
2024-11-21 07:34
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.
References
responsibledisclosure@mattermost.comhttps://hackerone.com/reports/1680241Exploit, Third Party Advisory
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/1680241Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-06-16 10:15
Modified
2024-11-21 07:59
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Mattermost fails to validate links on external websites when constructing a preview for a linked website, allowing an attacker to cause a denial-of-service by a linking to a specially crafted webpage in a message.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 7.10.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2022-07-14 18:15
Modified
2024-11-21 07:00
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 6.6.0
mattermost mattermost 6.6.1
mattermost mattermost 6.7.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2021-08-05 20:15
Modified
2024-11-21 06:15
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
Fixed a bypass for a reflected cross-site scripting vulnerability affecting OAuth-enabled instances of Mattermost.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-09-29 10:15
Modified
2024-11-21 08:41
Severity ?
3.8 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Summary
Mattermost fails to properly verify the permissions when managing/updating a bot allowing a User Manager role with user edit permissions to manage/update bots.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2022-03-18 18:15
Modified
2024-11-21 06:39
Severity ?
2.0 (Low) - CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
Mattermost 6.3.0 and earlier fails to properly sanitize the HTML content in the email invitation sent to guest users, which allows registered users with special permissions to invite guest users to inject unescaped HTML content in the email invitations.
References
responsibledisclosure@mattermost.comhttps://hackerone.com/reports/1443567Exploit, Third Party Advisory
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/1443567Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-08-22 07:15
Modified
2024-08-23 16:16
Severity ?
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to ensure that remote/synthetic users cannot create sessions or reset passwords, which allows the munged email addresses, created by shared channels, to be used to receive email notifications and to reset passwords, when they are valid, functional emails.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-02-27 15:15
Modified
2024-11-21 07:52
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
A missing permissions check in the /plugins/playbooks/api/v0/runs API in Mattermost allows an attacker to list and view playbooks belonging to a team they are not a member of.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost 7.4.0
mattermost mattermost 7.5.0
mattermost mattermost 7.5.1


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-04-20 09:15
Modified
2024-11-21 07:58
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
Mattermost fails to invalidate existing authorization codes when deauthorizing an OAuth2 app, allowing an attacker possessing an authorization code to generate an access token.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost 7.1.7
mattermost mattermost 7.7.3
mattermost mattermost 7.8.2
mattermost mattermost 7.9.1


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-11-27 10:15
Modified
2024-11-21 08:19
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string. 
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 9.1.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2021-12-09 22:15
Modified
2024-11-21 06:15
Severity ?
5.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
Mattermost 6.0.2 and earlier fails to sufficiently sanitize user's password in audit logs when user creation fails.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *


To clipboard 

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  "id": "CVE-2021-37861",
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Vulnerability from fkie_nvd
Published
2022-02-21 18:15
Modified
2024-11-21 06:39
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
Mattermost 6.3.0 and earlier fails to protect email addresses of the creator of the team via one of the APIs, which allows authenticated team members to access this information resulting in sensitive & private information disclosure.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-11-27 10:15
Modified
2024-11-21 08:07
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
Mattermost fails to use  innerText / textContent when setting the channel name in the webapp during autocomplete, allowing an attacker to inject HTML to a victim's page by create a channel name that is valid HTML. No XSS is possible though. 
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-08-11 07:15
Modified
2024-11-21 08:34
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-07-17 16:15
Modified
2024-11-21 08:17
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Mattermost iOS app fails to properly validate the server certificate while initializing the TLS connection allowing a network attacker to intercept the WebSockets connection.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-08-01 15:15
Modified
2024-08-23 14:52
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitrary posts
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost 9.9.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-06-16 10:15
Modified
2024-11-21 07:59
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 7.10.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-06-16 10:15
Modified
2024-11-21 07:59
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Summary
Mattermost fails to properly truncate the postgres error log message of a search query failure allowing an attacker to cause the creation of large log files which can result in Denial of Service
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 7.10.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-11-06 16:15
Modified
2024-11-21 08:42
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 9.0.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2022-11-23 07:15
Modified
2024-11-21 07:34
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
A denial-of-service vulnerability in the Mattermost allows an authenticated user to crash the server via multiple requests to one of the API endpoints which could fetch a large amount of data. 
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost -


To clipboard 

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          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
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          "confidentialityImpact": "NONE",
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        },
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        "impactScore": 3.6,
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        "type": "Primary"
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      "type": "Primary"
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}

Vulnerability from fkie_nvd
Published
2024-08-01 15:15
Modified
2024-08-23 14:35
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
8.7 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to properly safeguard an error handling which allows a malicious remote to permanently delete local data by abusing dangerous error handling, when share channels were enabled.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 9.9.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-08-01 15:15
Modified
2024-08-23 14:51
Severity ?
7.4 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
6.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
Summary
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow the modification of local users when syncing users in shared channels. which allows a malicious remote to overwrite an existing local user.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 9.9.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-07-03 09:15
Modified
2024-11-21 09:21
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0, when using shared channels with multiple remote servers connected, fail to check that the remote server A requesting the server B to update the profile picture of a user is the remote that actually has the user as a local one . This allows a malicious remote A to change the profile images of users that belong to another remote server C that is connected to the server A.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost 9.8.0


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-11-06 16:15
Modified
2024-11-21 08:42
Severity ?
4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Summary
Mattermost fails to properly sanitize the user object when updating the username, resulting in the password hash being included in the response body. 
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 9.0.0


To clipboard 

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      "type": "Secondary"
    },
    {
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      "type": "Primary"
    }
  ]
}

Vulnerability from fkie_nvd
Published
2023-09-29 10:15
Modified
2024-11-21 08:41
Severity ?
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
Mattermost fails to properly validate permissions when demoting and deactivating a user allowing for a system/user manager to demote / deactivate another manager
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-11-27 10:15
Modified
2024-11-21 08:43
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information (e.g. name, surname, nickname) via Mattermost Boards.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2023-10-02 11:15
Modified
2024-11-21 08:41
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost fails to check the Show Full Name option at the /api/v4/teams/TEAM_ID/top/team_members endpoint allowing a member to get the full name of another user even if the Show Full Name option was disabled
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2022-01-18 17:15
Modified
2024-11-21 06:16
Severity ?
2.6 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
Mattermost 6.1 and earlier fails to sufficiently validate permissions while viewing archived channels, which allows authenticated users to view contents of archived channels even when this is denied by system administrators by directly accessing the APIs.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updates/Vendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *


To clipboard 

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Vulnerability from fkie_nvd
Published
2024-07-03 09:15
Modified
2024-11-21 09:28
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to properly sanitize the recipients of a webhook event which allows an attacker monitoring webhook events to retrieve the channel IDs of archived or restored channels.
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *


To clipboard 

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          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
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        "impactScore": 1.4,
        "source": "responsibledisclosure@mattermost.com",
        "type": "Secondary"
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      {
        "cvssData": {
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          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
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          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
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        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
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    ]
  },
  "published": "2024-07-03T09:15:07.210",
  "references": [
    {
      "source": "responsibledisclosure@mattermost.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://mattermost.com/security-updates"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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  ],
  "sourceIdentifier": "responsibledisclosure@mattermost.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "responsibledisclosure@mattermost.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

Vulnerability from fkie_nvd
Published
2023-11-27 10:15
Modified
2024-11-21 08:31
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Mattermost fails to limit the amount of data extracted from compressed archives during board import in Mattermost Boards allowing an attacker to consume excessive resources, possibly leading to Denial of Service, by importing a board using a specially crafted zip (zip bomb).
References
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updatesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://mattermost.com/security-updatesVendor Advisory
Impacted products
Vendor Product Version
mattermost mattermost *
mattermost mattermost *
mattermost mattermost *
mattermost mattermost 9.1.0


To clipboard 

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