[Important] cPanel & WHM Targeted Security Release: Patch Arriving Wednesday, May 20 at 8am EST
It is past the time, and it is unclear what the target version is supposed to be.
I am poking at things while waiting, trying to figure out the best way to just do this update as soon as it is available, and this should do it from cron, without affecting server load.
*/5 * * * * /scripts/is_update_available && /scripts/upcp --cron > /dev/null