Can the bank come after my husband even though the house was only in my maiden name and he had nothing to do with it?

I resorted to doing a short sale after moving to a different state. My realtor referred me to a third party person in another state that was supposed to be good at getting the bank to cooperate as they had been giving us the run around for a year. She assured me she was taking care of it, but I found out my home foreclosed two months after the fact. I decided to just let it go, but now, a year later, the bank is suing me for over $30K! I am a student without a job. What can I do?