Check Point Advisories

Splunk Multiple Products Remote Code Execution (CVE-2026-20251)

Vulnerability
Protection

Check Point Reference:	CPAI-2026-8034
Date Published:	1 Jul 2026
Severity:	High
Last Updated:	Wednesday 01 July, 2026
Source:
Industry Reference:	CVE-2026-20251
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Splunk Enterprise 10.2 and later, prior to 10.2.4 Splunk Enterprise 10.0 and later, prior to 10.0.7 Splunk Enterprise 9.4 and later, prior to 9.4.12 Splunk Enterprise 9.3 and later, prior to 9.3.13 Splunk Cloud Platform 10.3.2512 and later, prior to 10.3.2512.12 Splunk Cloud Platform 10.2.2510 and later, prior to 10.2.2510.14 Splunk Cloud Platform 10.1.2507 and later, prior to 10.1.2507.22 Splunk Cloud Platform 9.3.2411 and later, prior to 9.3.2411.132 Splunk Secure Gateway 3.10 and later, prior to 3.10.6 Splunk Secure Gateway 3.9 and later, prior to 3.9.20 Splunk Secure Gateway 3.8 and later, prior to 3.8.67
Vulnerability Description	A remote code execution vulnerability in Splunk products allows attackers to execute arbitrary code by exploiting unsafe deserialization of App Key Value Store (KV Store) data through the 'jsonpickle' Python library, which reconstructs arbitrary Python objects from specially crafted JSON without adequate validation.

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 Splunk Multiple Products Remote Code Execution (CVE-2026-20251) 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: Application Servers Protection Violation.
Attack Information: Splunk Multiple Products Remote Code Execution (CVE-2026-20251)