CVE-2025-27933 Information

Description

Mattermost versions 10.4.x <= 10.4.2 10.3.x <= 10.3.3 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions which allows members with permission to convert public channels to private ones to also convert private ones to public

Reference

https://mattermost.com/security-updates