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CVE-2026-26304 Permission Bypass in Playbook Run Creation

🗓️ 16 Mar 2026 19:53:21Reported by MattermostType 
cvelist
 cvelist
🔗 www.cve.org👁 20 Views

CVE 2026 26304: Permission bypass enables unauthorized playbook runs in Mattermost 11.3.x and 11.2.x.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.3.0",
        "status": "affected",
        "version": "11.3.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.2.2",
        "status": "affected",
        "version": "11.2.0",
        "versionType": "semver"
      },
      {
        "version": "11.4.0",
        "status": "unaffected"
      },
      {
        "version": "11.3.1",
        "status": "unaffected"
      },
      {
        "version": "11.2.3",
        "status": "unaffected"
      }
    ]
  }
]

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