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CVE-2026-24692

MEDIUM CVSS: 4.3 Published: 2026-03-16 Modified: 2026-06-17

Description

Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to properly enforce read permissions in search API endpoints which allows guest users without read permissions to access posts and files in channels via search API requests. Mattermost Advisory ID: MMSA-2025-00554

Affected Platforms

Mattermost Mattermost Server

Weakness Type

CWE-863

References