CVE-2026-67402 — WebPros / ConfigServer Security & Firewall

Description (CNA)

An insecure Apache configuration in ConfigServer Security & Firewall maps /usr/bin as CGI programs through the Messenger v3 HTTPS virtual host. A remote unauthenticated attacker whose address is blocked can request a mapped executable and run arbitrary commands as the Apache user. The vulnerability affects installations where CSF Messenger v3 and its HTTPS mode are enabled. WebPros addressed the vulnerability in version 16.31.

Affected (CNA)

Vendor / product	Versions
WebPros / ConfigServer Security & Firewall	affected 14.02 before 16.31
ConfigServer / ConfigServer Security & Firewall	affected 14.02 before *

CWE

CWE-552

References

https://support.cpanel.net/hc/en-us/articles/43171958716439-Security-CSF-Security-Release-September-3rd-2026

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.