cPanel Security Patch Advisory for May 13, 2026: 5 CVEs Up to High Severity Updated on May 20, 2026 by Derrell Update (May 14, 2026): cPanel released this patch on schedule on May 13, 2026. All five vulnerabilities — CVE-2026-29205, CVE-2026-29206, CVE-2026-32991, CVE-2026-32992, and CVE-2026-32993 — are now patched. InMotion Hosting has applied the update across all managed servers. Self-managed VPS and Dedicated customers who have not yet updated should run /scripts/upcp now. cPanel has disclosed Read More >
WHMCS Security Advisory: CVE-2026-29204 Requires Immediate Update Updated on May 20, 2026 by Derrell WHMCS CVE-2026-29204 is an authorization vulnerability affecting all WHMCS 8.x installations prior to 8.13.3 and all 9.x installations prior to 9.0.4. WHMCS published the advisory on May 12, 2026. If you run WHMCS on an InMotion Hosting Reseller, VPS, or Dedicated server, you must update your installation yourself. InMotion Hosting cannot apply this patch on Read More >
cPanel Security Patch Advisory for May 8, 2026: 3 CVEs Disclosed Updated on May 20, 2026 by Derrell cPanel has disclosed three new security vulnerabilities (CVE-2026-29201, CVE-2026-29202, and CVE-2026-29203) with a patch scheduled for release today, May 8, 2026, at 12:00pm EST. This is a heads-up advisory: most InMotion Hosting customers will receive the cPanel security update automatically through InMotion’s standard patching process. Your websites, email, and databases are not affected by this Read More >
cPanel Security Update: What You Need to Know Updated on May 20, 2026 by Derrell Your website stayed online throughout the incident. We completed a cPanel security update on April 28, 2026, after a serious security flaw was discovered in the software powering the back-end of your hosting account. For most customers, there is nothing to do. What Happened with the cPanel Security Update Researchers discovered a serious flaw in Read More >
CVE-2026-41940: Full Technical Details and InMotion’s Response Updated on May 20, 2026 by Derrell CVE-2026-41940 is a pre-authentication remote authentication bypass in cPanel and WHM with a Critical severity rating. Now that patches are deployed and access has been restored across InMotion Hosting’s server fleet, this article provides the full technical picture: how the exploit works, what InMotion did to protect your environment, and what you should do now. Read More >
cPanel & WHM Security Vulnerability – Temporary Access Restrictions – April 28, 2026 Updated on May 20, 2026 by Derrell cPanel has disclosed a critical authentication vulnerability affecting all currently supported versions of cPanel & WHM. This is an industry-wide issue, and we are taking immediate action to protect your environment while patches are released and verified. For full details from cPanel, see their official advisory: cPanel & WHM Security Update 04/28/2026. Resolution Update (April Read More >