CVE-2021-46398

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.

• CWE-352

• http://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.htmlExploit, Third Party Advisory, VDB Entry
• https://febin0x4e4a.blogspot.com/2022/01/critical-csrf-in-filebrowser.htmlExploit, Third Party Advisory
• https://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser/Exploit, Third Party Advisory
• https://febinj.medium.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7Exploit, Third Party Advisory
• https://github.com/filebrowser/filebrowser/commit/74b7cd8e81840537a8206317344f118093153e8dPatch, Third Party Advisory
• https://systemweakness.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7Exploit, Third Party Advisory
• http://packetstormsecurity.com/files/165885/FileBrowser-2.17.2-Code-Execution-Cross-Site-Request-Forgery.htmlExploit, Third Party Advisory, VDB Entry
• https://febin0x4e4a.blogspot.com/2022/01/critical-csrf-in-filebrowser.htmlExploit, Third Party Advisory
• https://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser/Exploit, Third Party Advisory
• https://febinj.medium.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7Exploit, Third Party Advisory
• https://github.com/filebrowser/filebrowser/commit/74b7cd8e81840537a8206317344f118093153e8dPatch, Third Party Advisory
• https://systemweakness.com/critical-csrf-to-rce-in-filebrowser-865a3c34b8e7Exploit, Third Party Advisory

Published

Feb 4, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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