{"id":"CVE-2026-73611","summary":"File Browser 2.50.0 through 2.63.21 JWT Expiration Bypass","details":"File Browser versions from 2.50.0 through 2.63.21 fail to validate JWT expiration when proxy authentication is configured with a non-default logout page. Attackers with a previously valid token can access protected routes and administrative endpoints indefinitely, and exchange expired tokens for fresh ones via the renewal endpoint.","aliases":["GHSA-v3jv-rmh2-635j"],"modified":"2026-08-16T03:31:24.058896282Z","published":"2026-08-13T11:28:15.147Z","database_specific":{"cwe_ids":["CWE-613"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73611.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73611.json"},{"type":"ADVISORY","url":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-v3jv-rmh2-635j"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73611"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/file-browser-through-jwt-expiration-bypass"},{"type":"FIX","url":"https://github.com/filebrowser/filebrowser/commit/72faf6dd3c85628e332d3e567124b86708ce2695"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/filebrowser/filebrowser","events":[{"introduced":"4302ece49b9dcccec93050045de6b219e8bacc58"},{"fixed":"f6fb8f6bf52d714b2215534033a3c96316069efc"},{"fixed":"72faf6dd3c85628e332d3e567124b86708ce2695"}],"database_specific":{"source":["DESCRIPTION","REFERENCES"],"extracted_events":[{"introduced":"2.50.0"},{"fixed":"2.63.21"}]}}],"versions":["v2.63.21","v2.63.20","v2.63.19","v2.63.18","v2.63.17","v2.63.16","v2.63.15","v2.63.14","v2.63.13","v2.63.12","v2.63.11","v2.63.10","v2.63.9","v2.63.8","v2.63.7","v2.63.6","v2.63.5","v2.63.4","v2.63.3","v2.63.1","v2.63.0","v2.62.2","v2.62.1","v2.62.0","v2.61.2","v2.61.1","v2.61.0","v2.60.0","v2.59.0","v2.58.0","v2.57.1","v2.57.0","v2.56.0","v2.55.0","v2.54.0","v2.53.1","v2.53.0","v2.52.0","v2.51.2","v2.51.1","v2.51.0","v2.50.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-73611.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"}]}