<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Patchfirst: PaperCut vulnerabilities</title><link>https://patchfirst.co/vendor/papercut/</link><atom:link href="https://patchfirst.co/feed/vendor/papercut.xml" rel="self" type="application/rss+xml"/><description>New and newly exploited PaperCut CVEs, with CISA KEV, EPSS and ATT&amp;CK context. Newest 50 by publication or KEV listing.</description><language>en-gb</language><ttl>360</ttl><lastBuildDate>Sat, 31 Oct 2026 05:11:25 GMT</lastBuildDate><item><title>[KEV] CVE-2026-81578: PaperCut NG/MF Missing Authentication for Critical Function Vulnerability</title><link>https://patchfirst.co/cve/CVE-2026-81578/</link><guid isPermaLink="false">CVE-2026-81578#kev</guid><pubDate>Mon, 31 Aug 2026 00:00:00 GMT</pubDate><description>PaperCut · NG/MF. In CISA KEV since 2026-08-31. ENISA EUVD lists it as exploited. EPSS 84.7% (higher than 99.71% of CVEs). CVSS 9.8 CRITICAL. Public exploit code exists. ATT&amp;CK: T1190 Exploit Public-Facing Application; T1098 Account Manipulation. Named in 1 threat report. Priority 83.7 of 100.</description><category>kev</category><category>public-exploit</category><category>T1190</category><category>T1098</category></item><item><title>[KEV] CVE-2026-82078: PaperCut NG/MF Unsafe Reflection Vulnerability</title><link>https://patchfirst.co/cve/CVE-2026-82078/</link><guid isPermaLink="false">CVE-2026-82078#kev</guid><pubDate>Mon, 31 Aug 2026 00:00:00 GMT</pubDate><description>PaperCut · NG/MF. In CISA KEV since 2026-08-31. ENISA EUVD lists it as exploited. EPSS 63.0% (higher than 99.2% of CVEs). CVSS 9.1 CRITICAL. Public exploit code exists. ATT&amp;CK: T1190 Exploit Public-Facing Application; T1059 Command and Scripting Interpreter. Named in 1 threat report. Priority 83.1 of 100.</description><category>kev</category><category>public-exploit</category><category>T1190</category><category>T1059</category></item><item><title>[KEV] CVE-2023-27351: PaperCut NG/MF Improper Authentication Vulnerability</title><link>https://patchfirst.co/cve/CVE-2023-27351/</link><guid isPermaLink="false">CVE-2023-27351#kev</guid><pubDate>Mon, 20 Apr 2026 00:00:00 GMT</pubDate><description>PaperCut · NG/MF. In CISA KEV since 2026-04-20, known ransomware use. ENISA EUVD lists it as exploited. EPSS 78.1% (higher than 99.58% of CVEs). CVSS 7.5 HIGH. Public exploit code exists. ATT&amp;CK: T1190 Exploit Public-Facing Application; T1078 Valid Accounts. Priority 78.2 of 100.</description><category>kev</category><category>ransomware</category><category>public-exploit</category><category>T1190</category><category>T1078</category></item><item><title>[KEV] CVE-2023-2533: PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability</title><link>https://patchfirst.co/cve/CVE-2023-2533/</link><guid isPermaLink="false">CVE-2023-2533#kev</guid><pubDate>Mon, 28 Jul 2025 00:00:00 GMT</pubDate><description>PaperCut · NG/MF. In CISA KEV since 2025-07-28. ENISA EUVD lists it as exploited. EPSS 28.8% (higher than 98.1% of CVEs). CVSS 8.8 HIGH. Public exploit code exists. ATT&amp;CK: T1566.002 Spearphishing Link; T1059 Command and Scripting Interpreter; T1547 Boot or Logon Autostart Execution. Priority 68.8 of 100.</description><category>kev</category><category>public-exploit</category><category>T1566.002</category><category>T1059</category><category>T1547</category></item><item><title>CVE-2023-39470: PaperCut NG print.script.sandboxed Exposed Dangerous Function Remote Code Execution Vulnerability</title><link>https://patchfirst.co/cve/CVE-2023-39470/</link><guid isPermaLink="false">CVE-2023-39470</guid><pubDate>Fri, 22 Nov 2024 00:00:00 GMT</pubDate><description>PaperCut · NG. Not in CISA KEV. EPSS 1.8% (higher than 78.1% of CVEs). CVSS 7.2 HIGH. Priority 65.7 of 100.</description></item><item><title>CVE-2023-39469: PaperCut NG External User Lookup Code Injection Remote Code Execution Vulnerability</title><link>https://patchfirst.co/cve/CVE-2023-39469/</link><guid isPermaLink="false">CVE-2023-39469</guid><pubDate>Fri, 03 May 2024 00:00:00 GMT</pubDate><description>PaperCut · NG. Not in CISA KEV. EPSS 61.4% (higher than 99.16% of CVEs). CVSS 7.2 HIGH. Priority 24.9 of 100.</description></item><item><title>CVE-2024-1222: Incorrect authorization controls in PaperCut NG/MF APIs</title><link>https://patchfirst.co/cve/CVE-2024-1222/</link><guid isPermaLink="false">CVE-2024-1222</guid><pubDate>Thu, 14 Mar 2024 00:00:00 GMT</pubDate><description>PaperCut · PaperCut NG, PaperCut MF. Not in CISA KEV. EPSS 64.0% (higher than 99.22% of CVEs). CVSS 8.6 HIGH. Priority 25.9 of 100.</description></item><item><title>CVE-2024-1883: Reflected XSS in PaperCut NG/MF</title><link>https://patchfirst.co/cve/CVE-2024-1883/</link><guid isPermaLink="false">CVE-2024-1883</guid><pubDate>Thu, 14 Mar 2024 00:00:00 GMT</pubDate><description>PaperCut · PaperCut NG, PaperCut MF. Not in CISA KEV. EPSS 61.5% (higher than 99.16% of CVEs). CVSS 6.3 MEDIUM. Priority 24.2 of 100.</description></item><item><title>CVE-2023-3486: PaperCut NG Unauthenticated File Upload</title><link>https://patchfirst.co/cve/CVE-2023-3486/</link><guid isPermaLink="false">CVE-2023-3486</guid><pubDate>Tue, 25 Jul 2023 00:00:00 GMT</pubDate><description>PaperCut · PaperCut NG. Not in CISA KEV. EPSS 79.2% (higher than 99.6% of CVEs). CVSS 8.2 HIGH. Priority 25.7 of 100.</description></item><item><title>[KEV] CVE-2023-27350: PaperCut MF/NG Improper Access Control Vulnerability</title><link>https://patchfirst.co/cve/CVE-2023-27350/</link><guid isPermaLink="false">CVE-2023-27350#kev</guid><pubDate>Fri, 21 Apr 2023 00:00:00 GMT</pubDate><description>PaperCut · MF/NG. In CISA KEV since 2023-04-21, known ransomware use. ENISA EUVD lists it as exploited. EPSS &gt;99.9% (higher than 99.99% of CVEs). CVSS 9.8 CRITICAL. Public exploit code exists. ATT&amp;CK: T1190 Exploit Public-Facing Application; T1059 Command and Scripting Interpreter; T1105 Ingress Tool Transfer. Priority 79.9 of 100.</description><category>kev</category><category>ransomware</category><category>public-exploit</category><category>T1190</category><category>T1059</category><category>T1105</category></item></channel></rss>