# CVE-2026-65638

## Summary

- **CVE ID:** CVE-2026-65638
- **Severity:** CRITICAL
- **CVSS Score:** 9.2 (CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N)
- **CWE:** CWE-78
- **Published:** Sep 10, 2026
- **Last Modified:** Sep 10, 2026

## Description

Improper escaping of a request URL in  ConfigServer Security & Firewall allows an unauthenticated remote attacker to execute arbitrary commands as the CSF service account via shell command injection.

The vulnerability affects versions of the software originally distributed by ConfigServer, as well as versions of the WebPros-maintained fork that contain the vulnerable code. WebPros has addressed the vulnerability in version 16.30. Other forks or independently maintained versions of ConfigServer Security & Firewall (CSF) may also be affected and should be evaluated independently.

## Affected Products

- WebPros — ConfigServer Security & Firewall (14.00)
- ConfigServer — ConfigServer Security & Firewall (14.00)

## References

- [CNA](https://support.cpanel.net/hc/en-us/articles/43387915588375-Security-CVE-2026-65638-CSF-Security-Release)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._