{"id":"CVE-2026-54685","sourceIdentifier":"security-advisories@github.com","published":"2026-07-20T15:16:43.787","lastModified":"2026-10-24T20:10:00.137","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"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 is provided, the server performs a bcrypt password comparison, causing a measurable delay in the response time. Version 1.3.2-beta patches the issue."},{"lang":"es","value":"FileBrowser Quantum es un gestor de archivos web gratuito y autoalojado. Antes de la versión 1.3.2-beta, el endpoint de autenticación “/api/auth/login” no se ejecuta en tiempo constante. Cuando se proporciona un nombre de usuario inexistente, el servidor devuelve una respuesta ’401’/’403’ casi inmediatamente. Cuando se proporciona un nombre de usuario válido, el servidor realiza una comparación de contraseñas bcrypt, causando un retraso medible en el tiempo de respuesta. La versión 1.3.2-beta corrige el problema."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"gtsteffaniak","product":"filebrowser","versions":[{"version":"< 1.3.2-beta","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-21T15:30:56.605410Z","id":"CVE-2026-54685","options":[{"exploitation":"poc"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-208"}]}],"references":[{"url":"https://github.com/gtsteffaniak/filebrowser/commit/af08800667b874620edc6f44c3e2e64fec7abd85","source":"security-advisories@github.com"},{"url":"https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.3.2-beta","source":"security-advisories@github.com"},{"url":"https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-7789-65hx-f26w","source":"security-advisories@github.com"},{"url":"https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-7789-65hx-f26w","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}