CVE-2024-39613: Mattermost Desktop

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Mattermost Desktop App versions <=5.8.0 fail to specify an absolute path when searching the cmd.exe file, which allows a local attacker who is able to put an cmd.exe file in the Downloads folder of a user's machine to cause remote code execution on that machine.

Affected products

• Mattermost Mattermost Desktop: before 5.9.0 (fixed in 5.9.0)

Published 2024-09-16. Last modified 2026-06-17.