Command Injection Vulnerability in File Browser by File Browser Inc.
CVE-2026-54090

8.7HIGH

Key Information:

Vendor

Filebrowser

Status
Filebrowser
Vendor
CVE Published:
25 June 2026

What is CVE-2026-54090?

The File Browser software, utilized for efficient file management, is at risk of a command injection vulnerability when configured with a shell interpreter. Versions prior to 2.33.8 mishandle user input, allowing malicious actors to bypass the command allowlist through shell metacharacters. This flaw permits chaining arbitrary commands, exposing the system to potential security breaches. The issue is addressed in the latest release, ensuring enhanced protection against such exploits.

Affected Version(s)

filebrowser < 2.33.8

References

https://github.com/filebrowser/filebrowser/security/advis...
x_refsource_CONFIRM
https://github.com/filebrowser/filebrowser/issues/5199
x_refsource_MISC

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.