Be glad, PlayStation 4 owners; a new jailbreak is on the way. Developer @theflow0 has now announced the existence of a kernel exploit on PS4 running firmware 7.02 or older. The kernel exploit currently has to be chained with a firmware 6.72 WebKit exploit.
https://www.notebookcheck.net/Playstation-4-firmware-7-02-kernel-exploit-surfaces-jailbreak-back-on-the-cards.480367.0.html