CVE-2026-1046

Mattermost Desktop App versions =6.0 6.2.0 5.2.13.0 fail to validate help links which allows a malicious Mattermost server to execute arbitrary executables on a user’s system via the user clicking on certain items in the Help menu Mattermost Advisory ID: MMSA-2026-00577...

PT-2026-8342

Name of the Vulnerable Software and Affected Versions Mattermost versions 5.2.13.0 and earlier, versions 6.0 and 6.2.0 and earlier Description The Mattermost Desktop App does not properly validate help links. This allows a malicious Mattermost server to execute arbitrary executables on a user’s...