A vulnerability was found in Mattermost up to 9.11.13/10.5.4 and classified as problematic. Affected by this issue is some unknown functionality of the file /api/v4/teams/{team_id}. The manipulation leads to incorrect authorization.
This vulnerability is handled as CVE-2025-4128. The attack may be launched remotely. There is no exploit available.
It is recommended to upgrade the affected component.
