CVE record
CVE-2026-4055
Mattermost versions 11.5.x <= 11.5.1 fail to validate team-level run_create permission against the target team when creating a playbook run which allows an authenticated team member to create runs in teams where they lack permission via specifying a different team ID in the run creation API request. Mattermost Advisory ID: MMSA-2026-00629
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Vulnerability metadata
- Published
- 2026-05-21T02:46:23.130Z
- Modified
- 2026-05-21T14:15:43.413Z
- EPSS
- Not available
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
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