CVE-2025-66911: Turms IM Server v0.10.0-SNAPSHOT and earlier contains a broken access control vulnerability in the user online status…
CVE-2025-66911 · Severity: medium · CVSS 6.5 · Published 2025-12-19
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-66911 being exploited in the wild.
How severe is CVE-2025-66911?
Medium severity, with a CVSS score of 6.5, published 19 December 2025.
Which products and versions are affected?
Turms-Im Turms. The advisory does not name versions.
Is there a fix for CVE-2025-66911?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-66911?
Check whether you run Turms-Im Turms. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.