CVE-2025-32093: Mattermost Server

Medium severity, CVSS 4.9. EPSS: 0.2% chance of exploitation in the next 30 days.

Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to restrict certain operations on system admins to only other system admins, which allows delegated granular administration users with the "Edit Other Users" permission to perform unauthorized modifications to system administrators via improper permission validation.

Affected products

• Mattermost Mattermost Server: from 9.11.0, before 9.11.10 (fixed in 9.11.10); from 10.4.0, before 10.4.4 (fixed in 10.4.4); from 10.5.0, before 10.5.2 (fixed in 10.5.2)

Published 2025-04-14. Last modified 2026-06-17.