CVE-2026-72837
Published:August 14, 2026
Updated:August 31, 2026
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 Packages
https://github.com/filebrowser/filebrowser.git (GITHUB):
Affected version(s) >=v1.0.0 <v2.63.20Fix Suggestion:
Update to version v2.63.20github.com/filebrowser/filebrowser/v2 (GO):
Affected version(s) >=v2.0.0-rc.1 <v2.63.20Fix Suggestion:
Update to version v2.63.20Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Access Control
EPSS
Base Score:
0.30