CVE-2026-6739 | Mattermost up to 11.6.x Role Patch API authorization (EUVD-2026-36499)
A vulnerability, which was classified as problematic, was found in Mattermost up to 10.11.15/10.11.16/11.5.4/11.6.1/11.6.x. The impacted element is an unknown function of the component Role Patch API. Such manipulation leads to incorrect authorization.
This vulnerability is uniquely identified as CVE-2026-6739. The attack can be launched remotely. No exploit exists.
You should upgrade the affected component.