CVE-2023-27351 1

CVE-2023-27351: Paper Cut NG/MF Improper Authentication Vulnerability

Known Exploited Vulnerabilities CISA KEV Catalog Apr 20, 2026

PaperCut NG/MF contains an improper authentication vulnerability that could allow remote attackers to bypass authentication on affected installations via the SecurityRequestFilter class.

Vulnerabilities & Patching