CVE-2026-14344

Name of the Vulnerable Software and Affected Versions Mattermost version 11.9.0 Mattermost version 11.8.4 Mattermost version 11.7.7 Mattermost version 10.11.22

Description An issue exists where the software fails to enforce the board-creation permission. This allows an authenticated user without the necessary permissions to create boards through the 'board duplicate', 'boards-and-blocks', and 'archive-import' endpoints.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.