CVE-2025-12756 | Mattermost up to 10.5.12/10.11.4/10.12.1/11.0.2 User Permission authorization

A vulnerability has been found in Mattermost up to 10.5.12/10.11.4/10.12.1/11.0.2 and classified as problematic. Affected by this issue is some unknown functionality of the component User Permission Handler. The manipulation leads to incorrect authorization.

This vulnerability is uniquely identified as CVE-2025-12756. The attack is possible to be carried out remotely. No exploit exists.

The affected component should be upgraded.VulDB Recent EntriesRead More