PaperCut MF/NG Improper Access Control Vulnerability

PaperCut MF/NG contains an improper access control vulnerability within the SetupCompleted class that allows authentication bypass and code execution in the context of system.

Published 3 Oct 2026Updated 3 Oct 2026363 sources
CVSS 9.8 ✓ VERIFIED REFERENCE△ CISA KEV

What happened

PaperCut MF/NG contains an improper access control vulnerability within the SetupCompleted class that allows authentication bypass and code execution in the context of system.

Affected versions

MF/NG: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references