{"id":"CVE-2026-41161","revision":"033d5a51ed864975b6391e70ee406d8e","records":[{"revision":"033d5a51ed864975b6391e70ee406d8e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-41161","aliases":[],"title":"Username Enumeration via Timing Attack","description":"Sync-in Server is a secure, open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.2.0, the /api/auth/login endpoint contains a logic flaw that allows unauthenticated remote attackers to enumerate valid usernames by measuring the application's response time. This issue has been patched in version 2.2.0.","state":0,"publishedAt":"2026-05-08T13:00:54.485+00:00","modifiedAt":"2026-05-11T18:24:40.217+00:00","affected":[{"ecosystem":"Vendor product","name":"server","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Sync-in\",\n                    \"product\": \"server\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 2.2.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"}],"references":["https://github.com/Sync-in/server/security/advisories/GHSA-43fj-qp3h-hrh5","https://github.com/Sync-in/server/releases/tag/v2.2.0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-41161","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-41161","identifiers":["CVE-2026-41161"]},"retained":false,"historicalAffected":[]}],"coverage":[]}