Mattermost security vulnerabilities

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Versions of Mattermost such as 10.11.8 and earlier 10.11.x series, 11.1.1 and earlier 11.1.x series, and 11.0.6 and earlier 11.0.x series have security vulnerabilities. These vulnerabilities stem fro...