A vulnerability was found in Mattermost up to 9.11.16/10.5.6/10.7.3/10.8.1. It has been rated as critical. This issue affects some unknown processing of the component Private Channel Handler. The manipulation leads to missing authentication.
The identification of this vulnerability is CVE-2025-6226. The attack may be initiated remotely. There is no exploit available.
It is recommended to upgrade the affected component.
