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 this update as having a CVSSv3.1 scores from 3.1 to 5.4.

Information on cPanel’s security ratings is available at https://go.cpanel.net/securitylevels.

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 installations at your earliest convenience.

RELEASES

The following cPanel & WHM versions address all known vulnerabilities:

110.0.15 & Greater
114.0.12 & Greater
116.0.4 & Greater

The latest public releases of cPanel & WHM for all update tiers are available at http://httpupdate.cpanel.net.

SECURITY ISSUE INFORMATION There is no reason to believe these vulnerabilities have been made known to the public. As such, cPanel will only release limited information about the vulnerabilities at this time. Of note, an upstream security fix has been added to this TSR for our Roundcube package and information about this vulnerability is already public and may be found here:

https://roundcube.net/news/2023/11/05/security-updates-1.6.5-and-1.5.6

Once sufficient time has passed, allowing cPanel & WHM systems to update to the new versions automatically, cPanel will release additional information about the nature of the security issue.

This Targeted Security Release addresses three vulnerabilities in cPanel & WHM software versions 110, 112, and 116. Additional information is scheduled for release the following day.

For information on cPanel & WHM Versions and the Release Process, read our documentation at: https://go.cpanel.net/versionformat

https://news.cpanel.com/wp-content/uploads/2023/11/TSR-2023-0004-Announcement.signed.txt