Mattermost: >> Mattermost Server >> 11.1.3 Security Vulnerabilities
Mattermost Plugins versions <=11.3 11.0.3 11.2.2 10.10.11.0 fail to implement authorisation checks on comment block modifications, which allows an authorised attacker with editor permission to modify comments created by other board members. Mattermost Advisory ID: MMSA-2025-00559
CVSS Score
4.3
EPSS Score
0.0
Published
2026-03-16