There's Hope: iOS 7 Jailbreak Unveiled. Probably.
OS developer Ryan Petrich, who is responsible for popular tweaks like Activator, DietBar, FullForce, and LiveClock, posted a picture of his jailbroken iPod touch, which is running the iOS 7 beta, on Twitter last night.
So reports CultOfMac
Of course Petrich has only cracked the Beta of iOS 7, and it is unclear what exploit (s) he used. It's a no-brainer that Apple can figure it out and, if possible, close the hole. There's hope though...