Vendor

PaperCut

5 of 10 PaperCut CVEs in Patchfirst (50%) are in of vulnerabilities exploited in the wild, 2 of them used by ransomware.

CVEs: 10
In CISA KEV: 550%
Known ransomware use: 2
Median days to KEV: 3; from publication
Latest KEV listing: 31 Aug 2026

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Products

In KEVOther CVEs

ProductKEVCVEs
NG/MF In KEV: 4 CVEs: 4
MF/NG In KEV: 1 CVEs: 1
NG In KEV: 0 CVEs: 2
PaperCut NG, PaperCut MF In KEV: 0 CVEs: 2
PaperCut NG In KEV: 0 CVEs: 1

Top ATT&CK techniques

What attackers do with PaperCut CVEs

TechniqueCVEs
T1190Exploit Public-Facing Application CVEs: 4
T1059Command and Scripting Interpreter CVEs: 3
T1098Account Manipulation CVEs: 1
T1105Ingress Tool Transfer CVEs: 1
T1078Valid Accounts CVEs: 1

Open in ATT&CK Navigator

A layer for MITRE’s ATT&CK Navigator: techniques scored by the highest Patchfirst priority among their CVEs, neutral to red, with the CVE ids in each comment. “Open in Navigator” loads https://patchfirst.co/navigator/vendor/papercut.json. Or download it and in Navigator choose Open Existing Layer → Upload from local.

Counts are PaperCut CVEs linked to the technique. Each link’s provenance is on the CVE page.

PaperCut CVEs

10 CVEs, by priority

CVE-2026-81578PaperCut NG/MF Missing Authentication for Critical Function Vulnerability
PaperCut · NG/MFKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing Application T1098Account Manipulation1 report
84.7%Top 0.29%
83.7priority
CVE-2026-82078PaperCut NG/MF Unsafe Reflection Vulnerability
PaperCut · NG/MFKEVPublic exploitCritical · 9.1T1190Exploit Public-Facing Application T1059Command and Scripting Interpreter1 report
63.0%Top 0.8%
83.1priority
CVE-2023-27350PaperCut MF/NG Improper Access Control Vulnerability
PaperCut · MF/NGKEVRansomwarePublic exploitCritical · 9.8T1190Exploit Public-Facing Application T1059Command and Scripting Interpreter+1 more
>99.9%Top 0.01%
79.9priority
CVE-2023-27351PaperCut NG/MF Improper Authentication Vulnerability
PaperCut · NG/MFKEVRansomwarePublic exploitHigh · 7.5T1190Exploit Public-Facing Application T1078Valid Accounts
78.1%Top 0.42%
78.2priority
CVE-2023-2533PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability
PaperCut · NG/MFKEVPublic exploitHigh · 8.8T1566.002Spearphishing Link T1059Command and Scripting Interpreter+1 more
28.8%Top 1.9%
68.8priority
CVE-2023-39470PaperCut NG print.script.sandboxed Exposed Dangerous Function Remote Code Execution Vulnerability
PaperCut · NGHigh · 7.2
1.8%Top 22%
65.7priority
CVE-2024-1222Incorrect authorization controls in PaperCut NG/MF APIs
PaperCut · PaperCut NG, PaperCut MFHigh · 8.6
64.0%Top 0.78%
25.9priority
CVE-2023-3486PaperCut NG Unauthenticated File Upload
PaperCut · PaperCut NGHigh · 8.2
79.2%Top 0.4%
25.7priority
CVE-2023-39469PaperCut NG External User Lookup Code Injection Remote Code Execution Vulnerability
PaperCut · NGHigh · 7.2
61.4%Top 0.84%
24.9priority
CVE-2024-1883Reflected XSS in PaperCut NG/MF
PaperCut · PaperCut NG, PaperCut MFMedium · 6.3
61.5%Top 0.84%
24.2priority