CVE-2025-66911: Turms-Im Turms

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Turms IM Server v0.10.0-SNAPSHOT and earlier contains a broken access control vulnerability in the user online status query functionality. The handleQueryUserOnlineStatusesRequest() method in UserServiceController.java allows any authenticated user to query the online status, device information, and login timestamps of arbitrary users without proper authorization checks.

Affected products

  • Turms-Im Turms: version 0.10.0-snapshot only

Published 2025-12-19. Last modified 2026-10-05.