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CVE WatchSep 10, 2026

CVE-2026-65638

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

CVSS

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No CVSS

EPSS

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KEV

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Exploit Today

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0-100

Published: Sep 10, 2026 · Last modified: Sep 10, 2026 · CWE-78

EPSS · 30d

Not enough EPSS history yet.

Technical 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.

Official references
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