CVE-2026-41940Used in ransomware
WE
WebPros cPanel & WHM and WP2 (WordPress Squared)
WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function Vulnerability
What it is
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.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor notices and references
- support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-Update-04-28-2026
- docs.cpanel.net/release-notes/release-notes/
- docs.wpsquared.com/changelogs/versions/changelog/#13617
- nvd.nist.gov/vuln/detail/CVE-2026-41940"
Description and required action as published by CISA. Full record at NVD.