INCIDENT EVIDENCE GRAPH

CVE-2023-27351: PaperCut NG/MF Improper Authentication Vulnerability

2026-04-20T00:00:00Z

PaperCut NG/MF contains an improper authentication vulnerability that could allow remote attackers to bypass authentication on affected installations via the SecurityRequestFilter class.；Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.；Due: 2026-05-04

• Victim: PaperCut NG/MF
• Exploit: CVE-2023-27351
• Method: PaperCut NG/MF Improper Authentication Vulnerability

Primary evidence

1. CVE-2023-27351: PaperCut NG/MF Improper Authentication Vulnerability

中文