CVE-2026-41161 — Username Enumeration via Timing Attack
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 fla…
Published: 2026-05-08 · CVSS: 6.9 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7