CVE-2019-20850: Mattermost Mobile

Medium severity, CVSS 5.3. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in Mattermost Mobile Apps before 1.26.0. A view cache can persist on a device after a logout.

Affected products

• Mattermost Mattermost Mobile: before 1.26.0 (fixed in 1.26.0)

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