Medium severity6.5NVD Advisory· Published Aug 17, 2026
CVE-2026-10080
CVE-2026-10080
Description
Mattermost versions 11.7.x <= 11.7.6, 10.11.x <= 10.11.21, 11.8.x <= 11.8.3 fails to validate WebSocket command field types which allows an authenticated user to crash the plugin process and deny service to all Boards users via a custom_focalboard_SUBSCRIBE_TEAM message with a non-string teamId.. Mattermost Advisory ID: MMSA-2026-00687
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <=11.7.6, <=10.11.21, <=11.8.3
- Range: <=11.7.6, <=10.11.21, <=11.8.3
Patches
Vulnerability mechanics
References
1News mentions
0No linked articles in our index yet.