CVE-2023-5920: Mattermost Desktop

Low severity, CVSS 3.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Mattermost Desktop for MacOS fails to utilize the secure keyboard input functionality provided by macOS, allowing for other processes to read the keyboard input.

Affected products

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

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