CVE-2026-2461
MED 4.3Mattermost 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
Affected Applications in Environment
1
server
v1.0.0.0
1 device
Affected Devices
1
EBB107-01
Windows
References
1