Improper authentication in cPanel - CVE-2026-41940

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Main Vulnerability Database Vulnerabilities #VU128557

Improper authentication in cPanel - CVE-2026-41940

Published: April 30, 2026 / Updated: April 30, 2026


Vulnerability identifier: #VU128557
CSH Severity: Critical
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/U:Red
CVE-ID: CVE-2026-41940
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
cPanel
Software vendor:
cPanel, Inc

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in the authentication process. A remote non-authenticated attacker can bypass authentication process and gain unauthorized access to the application.

Successful exploitation of the vulnerability may result in full system compromise. 


Remediation

Install updates from vendor's website.

External links