CVE-2025-13767 | Mattermost up to 10.11.7/10.12.3/11.0.5/11.1.0 Channel Membership authorization

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Yanac

A vulnerability was found in Mattermost up to 10.11.7/10.12.3/11.0.5/11.1.0 and classified as problematic. Affected is an unknown function of the component Channel Membership Handler. The manipulation results in incorrect authorization.

This vulnerability was named CVE-2025-13767. The attack may be performed from remote. There is no available exploit.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More