CVE-2026-14259 | Mattermost up to 10.11.22/11.7.7/11.8.4/11.9.0 Board permission

September 14, 2026 Yanac

A vulnerability was found in Mattermost up to 10.11.22/11.7.7/11.8.4/11.9.0 and classified as problematic. This affects an unknown part of the component Board. Such manipulation leads to permission issues.

This vulnerability is documented as CVE-2026-14259. The attack can be executed remotely. There is not any exploit available.

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