Attackers chain two PaperCut NG and MF flaws for unauthenticated remote code execution, with limited exploitation seen in two environments.

PaperCut is warning that hackers are actively exploiting a vulnerability in all versions of its PaperCut NG and PaperCut MF print management software in zero-day attacks.

The fix is either an unvalidated and unofficial emergency patch or taking the server offline