Check Point Advisories

PaperCut Remote Code Execution (CVE-2026-81578; CVE-2026-82078)

Vulnerability
Protection

Check Point Reference:	CPAI-2026-10844
Date Published:	31 Aug 2026
Severity:	Critical
Last Updated:	Sunday 06 September, 2026
Source:
Industry Reference:	CVE-2026-81578 CVE-2026-82078
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	PaperCut MF prior to 24.1.10 PaperCut NG prior to 24.1.10 PaperCut MF prior to 25.0.13 PaperCut NG prior to 25.0.13 PaperCut MF prior to 26.0.5 PaperCut NG prior to 26.0.5
Vulnerability Description	A remote code execution vulnerability exists in PaperCut. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the PaperCut Remote Code Execution protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: PaperCut Remote Code Execution