Vulnerability Description
filebrowser through 2.63.16 fails to properly restrict scope and permissions when self-signup is enabled with default CreateUserDir setting. Unauthenticated attackers can register accounts that inherit the server root scope with full create, modify, delete, rename, share, and download permissions, allowing unrestricted access to all files.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-6759-996p-gp
- https://www.vulncheck.com/advisories/filebrowser-through-privilege-escalation-vi
- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-6759-996p-gp
FAQ
What is CVE-2026-72839?
CVE-2026-72839 is a vulnerability with a CVSS score of 9.8 (CRITICAL). filebrowser through 2.63.16 fails to properly restrict scope and permissions when self-signup is enabled with default CreateUserDir setting. Unauthenticated attackers can register accounts that inheri...
How severe is CVE-2026-72839?
CVE-2026-72839 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-72839?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.