CVE-2026-73611

Medium

Description

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.

SeverityMedium

CVSS6.8

Exploit probability—

ProductFilebrowser

PublishedAug 13, 2026

First seenAug 13, 2026

Weakness typeCWE-613CWE-613

How to fix

Patches

github.com/filebrowser/filebrowser/commit/72faf6dd3c85628e332d3e567124b86708ce2695

Vendor advisories

github.com/filebrowser/filebrowser/security/advisories/GHSA-v3jv-rmh2-635j

Affected products

Product	Affected versions	Fixed in
filebrowser filebrowser	2.50.0 ≤ v ≤ 2.63.21	—

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