Vulnerability in Filebrowser
CVE-2025-53826
File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename, and edit files. In version 2.39.0, File Browser’s authentication system issues long-lived JWT tokens that remain valid even after the user logs out. As of time of publication, no known patches exist.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Filebrowser — versions = 2.39.0, 2.39.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/filebrowser/filebrowser/security/advisories/GHSA-7xwp-2cpp-p8r7 (Exploit, Vendor Advisory)
- github.com/filebrowser/filebrowser/issues/5216 (Issue Tracking)
Frequently asked questions
- What is CVE-2025-53826?
- CVE-2025-53826 is a critical-severity vulnerability in Filebrowser, classified under Authentication Bypass by Primary Weakness. CVSS score: 9.8/10. Published 2025-07-15.
- How severe is CVE-2025-53826?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-53826 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.