CVE-2025-22445: Mattermost Server

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Mattermost versions 10.x <= 10.2 fail to accurately reflect missing settings, which allows confusion for admins regarding a Calls security-sensitive configuration via incorrect UI reporting.

Affected products

• Mattermost Mattermost Server: from 10.0.0, before 10.3.0 (fixed in 10.3.0)

Published 2025-01-09. Last modified 2026-06-17.