cPanel has announced a critical authentication vulnerability affecting all currently supported versions of cPanel & WHM. Because this is an industry-wide security issue, immediate precautions are being taken to help protect customer environments while official patches are released, applied, and tested.
To reduce potential risk, access to the ports used for cPanel and WHM is being temporarily restricted on affected servers.
These restrictions will remain in place until:
This proactive step is intended to minimize exposure and protect hosted environments during the remediation process.
While these temporary restrictions are in effect:
In other words, hosting services should continue running as expected, even if control panel access is limited for a short period.
Protecting customer accounts, infrastructure, and hosted services remains the highest priority. These temporary measures are being put in place out of caution and will be lifted as soon as the security update process is complete and verified.