Battlefield 4 apparently still isn’t safe from problems – it now seems that servers with Commanders enabled are security exploits on the PC version. The exploiter in question essentially causes the message “No free Commander slots” to appear on-screen before all players are kicked. The server then crashes soon after – telltale signs include high amounts of lag or rubber-banding.

This was reported by Battlefield 4 YouTube user Xfactor Gaming, and has apparently been experienced by other streamers. While it’s not clear whether it’s for all servers or simply the ones where well-known players are located, but it’s a severe exploit nonetheless. Xfactor was also reportedly hit with messages that claimed responsibility for the attacks and which stated that they’re targeted.

Take that for what you will. Or just go play Titanfall. Either way, let us know in the comments whether you’ve experienced issues with the Commander mode, especially regarding servers crashing and no free slots being available.

“So this is the first Go – version 1.0. Versions 2 and 3 we’re going to start making games on Frostbite Go that will be featuring things that you’ve seen in the regular Frostbite code, like destruction and those types of things. We think we can do something dramatic there, with the mobile sector, and make real games on those machines.”

He also stated that it’s “basically the same tech base and code base [as Frostbite], but with a different rendering solution, and then specific mobile features in it, like network traffic over 3G, touch-screen interface changes and those types of things. It’s just a natural evolution. iPhones, tablets, Android phones are becoming a natural way for us to connect with our games, so we need to support it. We looked at other external technologies, [but] we had a bunch of guys that convinced me that building Frostbite Go was a good idea, so that’s what we’re doing.”

Battlefield 4 launches on October 29th for Xbox 360, PS3 and PC, with a launch on PS4 on November 15th and Xbox One during Q4 2013.