CVE-2026-72837

HIGH

CVE: CVE-2026-72837 - File Browser versions before 2Sign in to save

CVSS

8.8

CVSS v3.1

EPSS

N/A

Exploit Prediction Score

Published

August 14, 2026

Exploitability

No EPSS data available

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.

Weaknesses

CWE-284

Affected Packages

No package data available.

Aliases

CVE-2026-72837

Related references

Publisher and database URLs for this record (shown for attribution; reading stays in Bugflare).

https://github.com/filebrowser/filebrowser/security/advisories/GHSA-j7jh-37pf-mf8h
https://www.vulncheck.com/advisories/file-browser-before-privilege-escalation-via-proxy-authentication