Skip to content
OpenAdvisories
Critical · 9.2 CVE-2026-65638 EUVD-2026-75595GHSA-8qv3-jfg8-cjvp

Improper escaping of a request URL in ConfigServer Security & Firewall allows an unauthenticated remote attacker to execute arbitrary comma…

Published Sep 10, 2026 · Updated Sep 10, 2026 · Assigned by hackerone

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

VendorProductAffectedFixed
WebPros ConfigServer Security & Firewall 14.00 – < 16.30 16.30
ConfigServer ConfigServer Security & Firewall 14.00 —

References