CVE-2025-27933 | Mattermost up to 9.11.8/10.3.3/10.4.2 Channel Conversion authorization
A vulnerability was found in Mattermost up to 9.11.8/10.3.3/10.4.2 and classified as critical. Affected by this issue is some unknown functionality of the component Channel Conversion Handler. The manipulation leads to incorrect authorization.
This vulnerability is handled as CVE-2025-27933. The attack may be launched remotely. There is no exploit available.
It is recommended to upgrade the affected component.