CVE-2019-20852: Mattermost Mobile

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

An issue was discovered in Mattermost Mobile Apps before 1.26.0. Local logging is not blocked for sensitive information (e.g., server addresses or message content).

Affected products

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

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