CVE-2026-41940

Description

cPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.

Affected Platforms

Weakness Type

CWE-306

References

• https://docs.cpanel.net/release-notes/release-notes
• https://docs.wpsquared.com/changelogs/versions/changelog/#13617
• https://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-…
• https://www.namecheap.com/status-updates/ongoing-critical-security-vulnerability…
• https://www.vulncheck.com/advisories/cpanel-and-whm-authentication-bypass-via-lo…
• https://labs.watchtowr.com/the-internet-is-falling-down-falling-down-falling-dow…