Great news. Evad3rs actually started iOS 7 jailbreak works.
Since Apple released iOS 7 Gold Master it is time for jailbreak developers to take a deep look at this new version, it is too late for Apple to make any changes to the iOS security.
The evad3rs, a group of hackers who released the untethered jailbreak for iOS 6, have announced that they are now actively investigating iOS 7 to identify which of their exploits still work.