Important: 2013-06-05 Targeted Security Releases

cPanel has released new builds for all public update tiers. These updates provide targeted changes to address security concerns with the cPanel & WHM product. These builds are currently available to all customers via the standard update system.

cPanel has rated these updates as having important security impact. Information on security ratings is available at

If your deployed cPanel & WHM servers are configured to automatically update when new releases are available, then no action is required. Your systems will update automatically. If you have disabled automatic updates, then we strongly encourage you to update your cPanel & WHM installs at your earliest convenience.


The following cPanel & WHM versions address all known vulnerabilities:


The latest public releases of cPanel & WHM for all update tiers are available at

Security Issue Information

The resolved security issues were identified by the cPanel security team and independent security researchers. There is no reason to believe that these vulnerabilities are known to the public. As such, cPanel will only release limited information about the vulnerabilities at this time.

Once sufficient time has passed to allow cPanel & WHM systems to automatically update their installed software to the new versions, cPanel will release additional information about the nature of the security issues. This Targeted Security Release addresses 10 vulnerabilities in cPanel & WHM 11.38, 11.36, 11.34 and 11.32. Additional information is scheduled to be released June 10, 2013.

For information about our Versions and Release Process, read the following document:

For the PGP Signed message, please go here.