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CVE-2025-13767 Unauthorized Read Access to Private Channel Posts via Mattermost Jira Plugin

🗓️ 24 Dec 2025 08:01:27Reported by MattermostType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

Authenticated attacker can read channel posts attached to Jira issues due to membership check failure.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.1.0",
        "status": "affected",
        "version": "11.1.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.0.5",
        "status": "affected",
        "version": "11.0.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.12.3",
        "status": "affected",
        "version": "10.12.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.11.7",
        "status": "affected",
        "version": "10.11.0",
        "versionType": "semver"
      },
      {
        "version": "11.2.0",
        "status": "unaffected"
      },
      {
        "version": "11.1.1",
        "status": "unaffected"
      },
      {
        "version": "11.0.6",
        "status": "unaffected"
      },
      {
        "version": "10.12.4",
        "status": "unaffected"
      },
      {
        "version": "10.11.8",
        "status": "unaffected"
      }
    ]
  }
]

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24 Dec 2025 08:01Current
CVSS 3.14.3
EPSS0.00039
27