A Cross-Site Request Forgery vulnerability exists in Filebrowser < 2.18.0 that allows…
Priority MEDIUM 48CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-352.
Summary
A Cross-Site Request Forgery vulnerability exists in Filebrowser < 2.18.0 that allows attackers to create a backdoor user with admin privilege and get access to the filesystem via a malicious HTML webpage that is sent to the victim. An admin can run commands using the FileBrowser and hence it leads to RCE.
Why it matters now
EPSS 0.06717 93rd percentileScored 2026-11-07
Public exploit Yes 5 exploit referencesTagged by NVD
Fix Fixed github.com/filebrowser/filebrowser/v2 (Go): 2.18.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | github.com/filebrowser/filebrowser/v2 (Go) | before 2.18.0 | 2.18.0 | Patch available | GHSA-72wf-hwcq-65h9 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/filebrowser/filebrowser/v2 (Go) Vendor— Affected before 2.18.0 Fixed in 2.18.0 Patch available GHSA-72wf-hwcq-65h9
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* | before 2.18.0 | Vulnerable | filebrowser |
- cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:* Versions before 2.18.0 Vulnerable ·filebrowser
Remediation
- Fix · GHSA-72wf-hwcq-65h9 github.com/filebrowser/filebrowser/v2 (Go) Fixed in 2.18.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-46398
- 2026-10-03 Alias added: GHSA-72wf-hwcq-65h9
References
Exploit 5
- https://febin0x4e4a.blogspot.com/2022/01/critical-csrf-in-filebrowser.html
- https://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser/
- https://systemweakness.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7
- http://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.html
- https://febinj.medium.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7
More Filebrowser vulnerabilities
- TI-2026-25251 File Browser Self Registration Grants Any User Admin Access When Default Permissions Include Admin CVSS 4.0CRITICAL 10.0
- TI-2026-23305 File Browser: TUS Delete Endpoint Bypasses Delete Permission Check CVSS 3.1CRITICAL 9.1
- TI-2026-26777 File Browser's Signup Grants Execution Permissions When Default Permissions Includes Execution CVSS 3.1CRITICAL 9.8
- TI-2025-33000 File Browser vulnerable to command execution allowlist bypass CVSS 3.1HIGH 8.1
- TI-2026-23759 FileBrowser Quantum: Stored XSS in public share page via unsanitized share metadata (text/template misuse) CVSS 3.1HIGH 8.9
- TI-2023-20699 A cross-site scripting (XSS) vulnerability in FileBrowser before v2.23.0 allows an… CVSS 3.1CRITICAL 9.0
Sources
- CVE-2021-46398 · CVE Program
- CVE-2021-46398 · NVD
- FIRST EPSS
- GHSA-72wf-hwcq-65h9 · GitHub Advisory Database · CC BY 4.0
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