How common is pancreas failure with sepsis?

This varies due to. Underlying health conditions and what other organs are also failing. It is more seen in septic shock. It is not necessarily permanent. There are many variables to simply answer this question.
Uncommon. But pancreatitis can lead to shock, with or without sepsis. If the cause of the sepsis is in the immediate neighborhood of the pancreas, such as a gallstone, or an ulcer that went into the pancreas, then failure of the pancreas is more likely.