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OpenAdvisories
High · 8.8 CVE-2026-72837 EUVD-2026-58651GHSA-6x93-4cv7-m749

File Browser before 2.63.20 Privilege Escalation via Proxy Authentication

Published Aug 14, 2026 · Updated Aug 14, 2026 · Assigned by VulnCheck

Description

File Browser versions before 2.63.20 fail to honor the createUserDir isolation in proxy and hook authentication auto-provisioning paths. Attackers with valid upstream-authenticated credentials can read, modify, delete, and share files belonging to other users by exploiting the server root scope assignment.

Affected products

VendorProductAffectedFixed
filebrowser filebrowser < 2.63.20 2.63.20

References