Security Advisory

CVE-2026-14344

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-14 10:33:54

Last updated 2026-09-14 11:19:45

Assigner Mattermost

CVSS score 4.3

State PUBLISHED

Description

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

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