Yes eating hummus that has gone bad can cause food poisoning. Foodborne illnesses that can be caused by hummus from various bacteria include listeria and salmonella. In 2022 there was a recall on hummus in the United States for listeria and one in the UK for salmonella, (Iwaspoisoned). Common symptoms include nausea, abdominal pain, diarrhea and vomiting often resulting in temporary weight loss.