FileBrowser Quantum: unauthenticated user share share info
Priority MEDIUM 44CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-200.
Summary
FileBrowser Quantum is a free, self-hosted, web-based file manager. Versions prior to 1.3.2-stable and 1.4.1-beta may leak some sensitive info, such as source and path. Versions 1.3.2-stable and 1.4.1-beta fix the issue. No known workarounds are available.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00445 38th percentileScored 2026-11-07
Fix Fixed filebrowser (gtsteffaniak): 1.3.2-stable, 1.4.1-betagithub.com/gtsteffaniak/filebrowser/backend (Go): 0.0.0-20260514154726-1802e1281135+1 more product
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| gtsteffaniak | filebrowser | before 1.3.2-stable; before 1.4.1-beta | 1.3.2-stable, 1.4.1-beta | Patch available | CNA |
| — | github.com/gtsteffaniak/filebrowser/backend (Go) | before 0.0.0-20260514154726-1802e1281135 | 0.0.0-20260514154726-1802e1281135 | Patch available | GHSA-3jmg-p96m-m328 |
| — | github.com/gtsteffaniak/filebrowser (Go) | before 1.2.1-stable.0.20260514154726-1802e1281135 | 1.2.1-stable.0.20260514154726-1802e1281135 | Patch available | GHSA-3jmg-p96m-m328 |
- filebrowser Vendorgtsteffaniak Affected before 1.3.2-stable; before 1.4.1-beta Fixed in 1.3.2-stable, 1.4.1-beta Patch available CNA
- github.com/gtsteffaniak/filebrowser/backend (Go) Vendor— Affected before 0.0.0-20260514154726-1802e1281135 Fixed in 0.0.0-20260514154726-1802e1281135 Patch available GHSA-3jmg-p96m-m328
- github.com/gtsteffaniak/filebrowser (Go) Vendor— Affected before 1.2.1-stable.0.20260514154726-1802e1281135 Fixed in 1.2.1-stable.0.20260514154726-1802e1281135 Patch available GHSA-3jmg-p96m-m328
Remediation
- Fix · CNA filebrowser (gtsteffaniak) Fixed in 1.3.2-stable, 1.4.1-beta
- Fix · GHSA-3jmg-p96m-m328 github.com/gtsteffaniak/filebrowser/backend (Go) Fixed in 0.0.0-20260514154726-1802e1281135 Advisory →
- Fix · GHSA-3jmg-p96m-m328 github.com/gtsteffaniak/filebrowser (Go) Fixed in 1.2.1-stable.0.20260514154726-1802e1281135 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-46410
- 2026-10-03 Alias added: GHSA-3jmg-p96m-m328
References
More gtsteffaniak vulnerabilities
- TI-2026-36047 FileBrowser Quantum: Path Traversal in public share PATCH allows file ops outside shared directory CVSS 4.0CRITICAL 9.3
- TI-2026-32454 FileBrowser Quantum: Unauthenticated Path Traversal in Public Share Delete Allows Arbitrary File Deletion CVSS 3.1CRITICAL 9.1
- TI-2026-81497 Symlink following in FileBrowser Quantum exposes out-of-scope files CVSS 3.1HIGH 8.6
- TI-2026-23759 FileBrowser Quantum: Stored XSS in public share page via unsanitized share metadata (text/template misuse) CVSS 3.1HIGH 8.9
- TI-2026-23758 FileBrowser Quantum Incomplete Remediation of CVE-2026-27611: Password-Protected Share Bypass via /public/api/share/info CVSS 3.1HIGH 7.5
- TI-2026-21997 FileBrowser Quantum: Password Protection Not Enforced on Shared File Links CVSS 4.0HIGH 7.1
Sources
- CVE-2026-46410 · CVE Program
- CVE-2026-46410 · NVD
- FIRST EPSS
- GHSA-3jmg-p96m-m328 · GitHub Advisory Database · CC BY 4.0
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