Medium severity4.3NVD Advisory· Published Aug 17, 2026· Updated Aug 17, 2026
CVE-2026-16045
CVE-2026-16045
Description
Mattermost versions 11.7.x <= 11.7.6, 10.11.x <= 10.11.21 Mattermost failed to restrict OAuth deauthorization and personal access token management endpoints to direct user sessions, which allowed an OAuth app with a delegated user token to revoke the user's authorizations or tokens for other integrations via account-management endpoints.. Mattermost Advisory ID: MMSA-2026-00704
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=11.7.6, <=10.11.21
Patches
Vulnerability mechanics
References
1News mentions
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