Mattermost versions 11.7.x <= 11.7.10 fail to restrict which built-in roles can be assigned to a team member via the API, which allows a team admin to grant a team member permissions beyond those permitted by the configured permission scheme via the {{update-team-member-roles}} REST API.. Mattermost Advisory ID: MMSA-2026-00734
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 4
- StatusAwaiting Analysis → PublishedNVD modified 2026-10-26 15:58
- StatusPublished → Awaiting AnalysisNVD modified 2026-10-26 16:50
- StatusReceived → PublishedNVD modified 2026-10-26 15:58
- First seenCVSS 3.8NVD modified 2026-10-26 16:17
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.