Check Point Advisories

Apache Struts Remote Code Execution (CVE-2026-20841; CVE-2026-25623)

Check Point Reference: CPAI-2026-2234
Date Published: 5 Apr 2026
Severity: Critical
Last Updated: Sunday 05 April, 2026
Source:
Industry Reference:CVE-2026-25623
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Apache Struts 2.5.0
Apache Struts 2.3.x prior to 2.3.37
Vulnerability Description A remote code execution vulnerability in Apache Struts allows attackers to execute arbitrary code by sending a crafted request to the server.

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 Apache Struts Remote Code Execution (CVE-2026-20841) 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:  Apache Struts Remote Code Execution (CVE-2026-20841)

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