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CRITICAL

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

Published 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

Remediation

No remediation recorded yet.

References (1)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner hackerone
Published Sep 10, 2026
Updated Sep 10, 2026
Reserved Jul 22, 2026
CISA Vulnrichment
Updated Sep 10, 2026
NVD
Status Awaiting Analysis
Modified Sep 10, 2026
Red Hat
Severity n/a
Public date n/a