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CVE-2025-55073

🗓️ 14 Nov 2025 08:03:16Reported by MattermostType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

Mattermost Teams plugin OAuth fails to validate post relation, enabling arbitrary post edits via crafted redirect; affected versions 10.11.x to 10.12.x.

Related
Detection
Affected
Refs
NVD
Node
mattermostmattermost_serverRange10.5.010.5.12
OR
mattermostmattermost_serverRange10.11.010.11.4
OR
mattermostmattermost_serverRange10.12.010.12.1
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "10.11.3",
        "status": "affected",
        "version": "10.11.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.5.11",
        "status": "affected",
        "version": "10.5.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.12.0",
        "status": "affected",
        "version": "10.12.0",
        "versionType": "semver"
      },
      {
        "version": "11.0.0",
        "status": "unaffected"
      },
      {
        "version": "10.11.4",
        "status": "unaffected"
      },
      {
        "version": "10.5.12",
        "status": "unaffected"
      },
      {
        "version": "10.12.1",
        "status": "unaffected"
      }
    ]
  }
]

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19 Nov 2025 21:44Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.15.3 - 5.4
EPSS0.00045
SSVC
7