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CVE-2026-8075

MEDIUM CVSS: 6.5 Published: 2026-07-17 Modified: 2026-07-30

Description

Mattermost Desktop App versions <=6.2 5.5.13 6.0.2.0 fail to properly null check when checking for headers in the Mattermost Desktop App which allows any user to crash another channel members Desktop App via posting a malicious link with an embedded image that misses one of those headers. Mattermost Advisory ID: MMSA-2026-00668

Affected Platforms

Mattermost Mattermost Desktop

Weakness Type

CWE-754

References