A vulnerability classified as problematic has been found in Mattermost up to 10.11.21/11.7.6/11.8.3. This affects an unknown function of the component Boards. Performing a manipulation results in improper input validation.
This vulnerability is cataloged as CVE-2026-10080. It is possible to initiate the attack remotely. There is no exploit available.
It is recommended to upgrade the affected component.
