Vulnerability Description
File Browser through 2.63.23 applies path rules to the requested lexical path but resolves symbolic links without reapplying rules to the target, allowing authenticated users to bypass deny rules. Attackers can read and overwrite rule-denied files by accessing them through in-scope symbolic link aliases that resolve to denied paths.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7w29-q235-57
- https://www.vulncheck.com/advisories/file-browser-through-2.63.23-path-traversal
- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7w29-q235-57
FAQ
What is CVE-2026-90930?
CVE-2026-90930 is a vulnerability with a CVSS score of 6.8 (MEDIUM). File Browser through 2.63.23 applies path rules to the requested lexical path but resolves symbolic links without reapplying rules to the target, allowing authenticated users to bypass deny rules. Att...
How severe is CVE-2026-90930?
CVE-2026-90930 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-90930?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.