CVE-2026-26230 | Mattermost up to 10.11.10/11.3.x API Endpoint authorization (EUVD-2026-12518)
A vulnerability, which was classified as problematic, has been found in Mattermost up to 10.11.10/11.3.x. This affects an unknown part of the component API Endpoint. This manipulation causes incorrect authorization.
This vulnerability is handled as CVE-2026-26230. The attack can be initiated remotely. There is not any exploit available.
It is advisable to upgrade the affected component.