CVE-2025-58073

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.5.x through 10.5.10 Mattermost versions 10.10.x through 10.10.2 Mattermost versions 10.11.x through 10.11.1

Description The Mattermost software has an issue where user permissions are not properly verified when joining a team using an invite token. This is due to manipulation of the OAuth state parameter. An attacker can bypass team membership restrictions and join any team on a Mattermost server without authorization.

Recommendations Update Mattermost versions to a version later than 10.5.10 Update Mattermost versions to a version later than 10.10.2 Update Mattermost versions to a version later than 10.11.1