Check Point Advisories

SEPPmail Secure Email Gateway Directory Traversal (CVE-2026-44127)

Check Point Reference: CPAI-2026-5196
Date Published: 28 May 2026
Severity: High
Last Updated: Thursday 28 May, 2026
Source:
Industry Reference:CVE-2026-44127
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? SEPPmail Secure Email Gateway prior to 15.0.4
Vulnerability Description A directory traversal vulnerability in SEPPmail Secure Email Gateway allows remote attackers to read arbitrary local files and trigger deletion of files in the targeted directory with the privileges of the api.app process.

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 SEPPmail Secure Email Gateway Directory Traversal (CVE-2026-44127) 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:  Application Servers Protection Violation.
Attack Information:  SEPPmail Secure Email Gateway Directory Traversal (CVE-2026-44127)

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