VDB
TNCVE-2026-3115
TNCVE-2026-3115
PUBLISHED
Mattermost versions 11.2.x <= 11.2.2, 10.11.x <= 10.11.10, 11.4.x <= 11.4.0, 11.3.x <= 11.3.1 fail to apply view restrictions when retrieving group member IDs, which allows authenticated guest users to enumerate user IDs outside their allowed visibility scope via the group retrieval endpoint.. Mattermost Advisory ID: MMSA-2026-00594
Timeline
- Mar 26, 2026 CVE Published
References
- Tenable: CVE-2026-3115 advisory