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

Published:

20 april 2026 om 00:00:00

Alert date:

21 april 2026 om 07:08:02

Source:

cisa.gov

Click to open the original link from this advisory

Enterprise Applications, Identity & Access

PaperCut NG/MF contains a critical improper authentication vulnerability (CVE-2023-27351) that allows remote attackers to bypass authentication mechanisms on affected installations. The vulnerability is exploited through the SecurityRequestFilter class, potentially giving unauthorized access to the print management system. This affects PaperCut NG and MF installations and has been assigned a high criticality rating. The vulnerability could allow attackers to gain unauthorized access to sensitive print management functions and data. Organizations using PaperCut products should prioritize patching this vulnerability immediately.

Technical details

Mitigation steps:

Affected products:

PaperCut NG
PaperCut MF

Related links:

Related CVE's:

Related threat actors:

IOC's:

This article was created with the assistance of AI technology by Perceptive.

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