PaperCut NG/MF <=26.0.4 - Unauthenticated ConfigEditor Access via Tapestry Complex-Direct

PaperCut NG and PaperCut MF versions 24.x through 26.x contain an authentication bypass vulnerability in the Apache Tapestry-based web interface. By crafting a complex-direct service request that specifies the public Home page as the render target while invoking the privileged ConfigEditor page's...