Check Point Advisories

cPanel Authentication Bypass (CVE-2026-41940)

Vulnerability
Protection

Check Point Reference:	CPAI-2026-3893
Date Published:	30 Apr 2026
Severity:	High
Last Updated:	Monday 04 May, 2026
Source:
Industry Reference:	CVE-2026-41940
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	cPanel & WHM 11.40 and later
Vulnerability Description	An authentication bypass vulnerability in cPanel allows unauthenticated remote attackers to gain unauthorized access to the control panel.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the cPanel Authentication Bypass (CVE-2026-41940) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: cPanel Authentication Bypass (CVE-2026-41940)