CVE-2025-66911

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-12-19 · updated 2026-10-13
Weakness: CWE-284

Description

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: 0.10.0-snapshot

References

https://github.com/Xzzz111/public_cve_report/blob/main/CVE-2025-66911_report.md
https://github.com/turms-im/turms
https://github.com/turms-im/turms/blob/develop/turms-service/src/main/java/im/turms/service/domain/user/access/servicerequest/controller/UserServiceController.java#L239
https://github.com/Xzzz111/public_cve_report/blob/main/CVE-2025-66911_report.md

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