CVE-2026-10542 | Mattermost up to 10.11.22/11.7.7/11.8.4/11.9.0 Channel Action Update privileges management

A vulnerability was found in Mattermost up to 10.11.22/11.7.7/11.8.4/11.9.0 and classified as critical. Affected is an unknown function of the component Channel Action Update. The manipulation results in improper privilege management.

This vulnerability is reported as CVE-2026-10542. The attack can be launched remotely. No exploit exists.

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