CVE-2026-14344 — Inconsistent authorization checks in Mattermost Boards endpoints
Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to enforce the board-creation permission which allows an unauthorized authenti…
Published: 2026-09-14 · CVSS: 4.3 · CVSS 3.1
Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to enforce the board-creation permission which allows an unauthorized authenticated user to create boards via the board duplicate, boards-and-blocks, and archive-import endpoints.. Mattermost Advisory ID: MMSA-2026-00715
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7