A vulnerability was found in Mattermost up to 10.11.9/11.1.2/11.2.1. It has been rated as problematic. The impacted element is an unknown function of the file /create-issue of the component Jira Plugin. Performing a manipulation results in incorrect authorization.

This vulnerability is identified as CVE-2026-22892. The attack can be initiated remotely. There is not any exploit available.

Upgrading the affected component is advised.