CVE-2020-14454: Mattermost Desktop

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

An issue was discovered in Mattermost Desktop App before 4.4.0. Attackers can open web pages in the desktop application because server redirection is mishandled, aka MMSA-2020-0008.

Affected products

• Mattermost Mattermost Desktop: before 4.4.0 (fixed in 4.4.0)

Published 2020-06-19. Last modified 2026-06-17.