This replay was sent to me this morning by a friend of mine. He said he encountered some self-claimed Hackers in 3v3 ranked match, they used British commanders and their abilities while playing Ostheer.
I watched this replay myself, confirmed his worry but can't find out how they managed to do that.
Due to game glitch one can put commanders of another faction to their loadout, but never can they be used in real fight.
This replay was recorded in Ranked match so Im sure and the Computer confirmed there is no mod loaded.
The self-claimed hacker announced "Cheat Activated" themselves with obvious spelling mistakes at the very beginning of the match, so this is more like a showoff to Relic not intentionally Abusing them to climb ladder.
Anyway, hope dev can find the bugs and fix them asap.