CVE-2026-73611: high-severity vulnerability in filebrowser
File Browser 2.50.0 through 2.63.21 JWT Expiration Bypass
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.6epss 0.4%
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.
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
Affected products
filebrowser · filebrowserRelated CVEs — filebrowser
In the same product, most dangerous first.
CVE-2026-32759MEDIUMFile Browser TUS Negative Upload-Length Fires Post-Upload Hooks PrematurelyEPSS 1.9%CVE-2026-35585HIGHFile Browser has a Command Injection via Hook RunnerEPSS 1.9%CVE-2025-52903HIGHFile Browser Allows Execution of Shell Commands That Can Spawn Other CommandsEPSS 1.2%CVE-2025-52904HIGHFile Browser: Command Execution not Limited to ScopeEPSS 1.1%CVE-2026-54088CRITICALFile Browser: Command Injection via Authentication Hook Shell Substitution (Pre-Authentication RCE)EPSS 0.8%CVE-2026-34528HIGHFile Browser's Signup Grants Execution Permissions When Default Permissions Includes ExecutionEPSS 0.7%