{"id":"CVE-2025-66911","title":"Turms IM Server v0.10.0-SNAPSHOT and earlier contains a broken access control vulnerability in the user online status query functionality","summary":"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 authent…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-284","CWE-639"],"vendor":"turms-im","product":"turms","affected":["turms = 0.10.0-snapshot"],"published":"2025-12-19","updated":"2026-10-05","sourceUpdated":"2026-10-05T18:10:00.200","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-66911","references":[{"url":"https://github.com/Xzzz111/public_cve_report/blob/main/CVE-2025-66911_report.md","label":"cve@mitre.org"},{"url":"https://github.com/turms-im/turms","label":"cve@mitre.org"},{"url":"https://github.com/turms-im/turms/blob/develop/turms-service/src/main/java/im/turms/service/domain/user/access/servicerequest/controller/UserServiceController.java#L239","label":"cve@mitre.org"},{"url":"https://github.com/Xzzz111/public_cve_report/blob/main/CVE-2025-66911_report.md","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00332,"epssPercentile":0.24185,"ingestedAt":"2026-10-05T18:29:11.155Z","slug":"CVE-2025-66911","body":"## Overview\n\nTurms 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.\n\n## Affected\n\n- `turms = 0.10.0-snapshot`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}