Check Point Advisories

ProFTPD Remote Code Execution (CVE-2026-42167)

Check Point Reference: CPAI-2026-10563
Date Published: 30 Aug 2026
Severity: High
Last Updated: Sunday 30 August, 2026
Source:
Industry Reference:CVE-2026-42167
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? ProFTPD 1.3.9b and prior
Vulnerability Description A remote code execution vulnerability in ProFTPD allows remote attackers to execute arbitrary code via a username, in scenarios where there is logging of USER requests with an expansion such as %U, and the SQL backend allows commands (e.g., COPY TO PROGRAM).

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

  1. In the IPS tab, click Protections and find the ProFTPD Remote Code Execution (CVE-2026-42167) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  FTP Enforcement Violation.
Attack Information:  ProFTPD Remote Code Execution (CVE-2026-42167)

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