CVE-2026-41940

Missing Authentication for Critical Function in WebPros cPanel & WHM and WP2 (WordPress Squared). CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 30 April 2026.

Product
WebPros cPanel & WHM and WP2 (WordPress Squared)
Added to CISA's catalog
Federal fix-by date
Ransomware
Known to be used in ransomware

CISA’s description.

WebPros cPanel & WHM (WebHost Manager) and WP2 (WordPress Squared) contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.

Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 4 November 2026.