fkie_cve-2025-6226
Vulnerability from fkie_nvd
Published
2025-07-18 09:15
Modified
2025-07-22 13:06
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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
responsibledisclosure@mattermost.comhttps://mattermost.com/security-updates
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 10.5.x \u003c= 10.5.6, 10.8.x \u003c= 10.8.1, 10.7.x \u003c= 10.7.3, 9.11.x \u003c= 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\u0027t have access to via guessing the PendingPostID of recently created posts."
    },
    {
      "lang": "es",
      "value": "Las versiones de Mattermost 10.5.x \u0026lt;= 10.5.6, 10.8.x \u0026lt;= 10.8.1, 10.7.x \u0026lt;= 10.7.3, 9.11.x \u0026lt;= 9.11.16 no pueden verificar la autorizaci\u00f3n al recuperar publicaciones en cach\u00e9 mediante PendingPostID, lo que permite que un usuario autenticado lea publicaciones en canales privados a los que no tiene acceso al adivinar el PendingPostID de publicaciones creadas recientemente."
    }
  ],
  "id": "CVE-2025-6226",
  "lastModified": "2025-07-22T13:06:27.983",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "responsibledisclosure@mattermost.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-07-18T09:15:26.993",
  "references": [
    {
      "source": "responsibledisclosure@mattermost.com",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "sourceIdentifier": "responsibledisclosure@mattermost.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ],
      "source": "responsibledisclosure@mattermost.com",
      "type": "Secondary"
    }
  ]
}


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