CVE-2023-5875: Mattermost Desktop

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Mattermost Desktop fails to correctly handle permissions or prompt the user for consent on certain sensitive ones allowing media exploitation from a malicious mattermost server

Affected products

  • Mattermost Mattermost Desktop: before 5.5.1 (fixed in 5.5.1)

Published 2023-11-02. Last modified 2026-06-17.