CVE-2023-27351
PaperCut / NG/MF
Ransomware campaign
Added 2026-04-20
Due 2026-05-04
PaperCut NG/MF Improper Authentication Vulnerability
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: https://www.papercut.com/kb/Main/PO-1216-and-PO-1219 ; https://nvd.nist.gov/vuln/detail/CVE-2023-27351
Metadata
| Added to KEV | 2026-04-20 |
| Remediation due | 2026-05-04 |
| Ransomware use | Known |
| CWEs | CWE-287 |
| Ingested | 2026-04-24 15:03:13 |
Cross-mesh regulatory overlay
If you're breached via this CVE, what disclosure laws and cyber regs fire? Asks LexiWorld and RegulatoryRadar via signed mesh.