CVEvulnerability
CVE-2026-44542
9.1 CRITICAL
Official page ↗
- Status
- Analyzed
- Published
- 2026-05-14
- Last modified
- 2026-10-25
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- Weaknesses
- CWE-22
Description
FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.3.1-stable and 1.3.9-beta, attacker-controlled path input is joined with a trusted base path prior to sanitization, allowing traversal sequences (e.g., ../) to escape the intended shared directory. As a result, an unauthenticated attacker possessing a valid public share hash with delete permissions enabled can delete arbitrary files outside the shared directory within the share owner’s configured storage scope. This affects public/api/resources and public/api/resources/bulk. This vulnerability is fixed in 1.3.1-stable and 1.3.9-beta.
Affected configurations
• gtsteffaniak filebrowser quantum (< 1.3.1)
• gtsteffaniak filebrowser quantum (< 1.3.9)
Related
Weakness · CWE (1)
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
References
- https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-fwj3-42wh-8673 Exploit, Vendor Advisory
- https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-fwj3-42wh-8673 Exploit, Vendor Advisory