CVE-2026-8074Low· 3.8▾ SunlitMattermost doesn't enforce bot-specific permission checks on the user active status endpoint
▾ Sunlit zone — Low / medium · no exploitation signal
impact 20.9 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.3%
Mattermost versions 11.7.x <= 11.7.0, 10.11.x <= 10.11.17 fail to enforce bot-specific permission checks on the user active status endpoint, which allows a User Manager with user management write access but no Integrations access to deactivate bot accounts via the PUT /api/v4/users/{id}/active API endpoint.. Mattermost Advisory ID: MMSA-2026-00667
github.com/mattermost/mattermost-server >= 11.7.0, < 11.7.1github.com/mattermost/mattermost-server >= 10.11.0, < 10.11.18Upgrade to a patched release:
github.com/mattermost/mattermost-server 11.7.1github.com/mattermost/mattermost-server 10.11.18Connected by shared product, vendor, weakness, or advisory.
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