๐Ÿ” CVE Alert

CVE-2026-65638

UNKNOWN 0.0
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-78
Vendor webpros
Product configserver security & firewall
Published Sep 10, 2026
Last Updated Sep 10, 2026
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Affected Versions

WebPros / ConfigServer Security & Firewall
14.00 < 16.30
ConfigServer / ConfigServer Security & Firewall
14.00 < *

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
support.cpanel.net: https://support.cpanel.net/hc/en-us/articles/43387915588375-Security-CVE-2026-65638-CSF-Security-Release