CVE-2026-65639 - ConfigServer Security & Firewall OS Command Injection Vulnerability

[Starburst-David]

CVE ID :CVE-2026-65639
Published : Sept. 10, 2026
Description :OS command injection in the advanced-rule parser of ConfigServer Security & Firewall allows a remote attacker who controls a configured allow/deny feed to execute arbitrary commands as root, due to insufficient validation of feed-supplied rule data. 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.

More Information:
https://cvefeed.io/vuln/detail/CVE-2026-65639