CVE-2026-54685 FileBrowser Quantum has Username Enumeration via Authentication Timing Side-Channel

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to version 1.3.2-beta, the /api/auth/login authentication endpoint does not execute in constant time. When a non-existent username is supplied, the server returns a 401/403 response almost immediately. When a valid username...

DEBIAN-CVE-2024-36469

Execution time for an unsuccessful login differs when using a non-existing username compared to using an existing one...

GO-2025-3484 Navidrome allows an authentication bypass in Subsonic API with non-existent username in github.com/navidrome/navidrome

Navidrome allows an authentication bypass in Subsonic API with non-existent username in github.com/navidrome/navidrome...

Navidrome allows an authentication bypass in Subsonic API with non-existent username

Summary In certain Subsonic API endpoints, authentication can be bypassed by using a non-existent username combined with an empty salted password hash. This allows read-only access to the server’s resources, though attempts at write operations fail with a “permission denied” error. Details A flaw...

GHSA-C3P4-VM8F-386P Navidrome allows an authentication bypass in Subsonic API with non-existent username

Summary In certain Subsonic API endpoints, authentication can be bypassed by using a non-existent username combined with an empty salted password hash. This allows read-only access to the server’s resources, though attempts at write operations fail with a “permission denied” error. Details A flaw...

Authentication Bypass

geronimo is vulnerable to authentication bypass. A remote attacker is able to bypass the login function by attempting to login using a non-existent username...

CVE-2004-1941: Undefined Security Weakness

Fastream NETFile FTP/Web Server 6.5.1.980 allows remote attackers to cause a denial of service via a username that does not exist...