Firetruck

CVE-2023-27351

KEV · Ransomware

PaperCut NG/MF Improper Authentication Vulnerability

View CVE record →
Vendor / Project
PaperCut
Product
NG/MF
Date added
Apr 20, 2026
Due date
May 4, 2026
Known ransomware use
Known
CWEs
CWE-287

Description

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.

Notes