In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, Splunk Cloud Platform versions below 10.3.2512.12, 10.2.2510.14, 10.1.2507.22, and 9.3.2411.132, and Splunk Secure Gateway versions below 3.10.6, 3.9.20, and 3.8.67, a low-privileged user that does not hold the 'admin' or 'power' Splunk roles could perform a Remote Code Execution (RCE) through the Splunk Secure Gateway app.<br><br>The Remote Code Execution is possible because of unsafe deserialization of App Key Value Store (KV Store) data through the ‘jsonpickle’ Python library, which reconstructs arbitrary Python objects from specially crafted JavaScript Object Notation (JSON) without adequate validation.
History

Wed, 10 Jun 2026 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Splunk
Splunk splunk Cloud Platform
Splunk splunk Enterprise
Splunk splunk Secure Gateway
Vendors & Products Splunk
Splunk splunk Cloud Platform
Splunk splunk Enterprise
Splunk splunk Secure Gateway

Wed, 10 Jun 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 10 Jun 2026 18:15:00 +0000

Type Values Removed Values Added
Description In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, Splunk Cloud Platform versions below 10.3.2512.12, 10.2.2510.14, 10.1.2507.22, and 9.3.2411.132, and Splunk Secure Gateway versions below 3.10.6, 3.9.20, and 3.8.67, a low-privileged user that does not hold the 'admin' or 'power' Splunk roles could perform a Remote Code Execution (RCE) through the Splunk Secure Gateway app.<br><br>The Remote Code Execution is possible because of unsafe deserialization of App Key Value Store (KV Store) data through the ‘jsonpickle’ Python library, which reconstructs arbitrary Python objects from specially crafted JavaScript Object Notation (JSON) without adequate validation.
Title Remote Code Execution through Deserialization of Untrusted Data in Splunk Secure Gateway
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-06-10T18:26:16.204Z

Reserved: 2025-10-08T11:59:15.401Z

Link: CVE-2026-20251

cve-icon Vulnrichment

Updated: 2026-06-10T18:26:08.626Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-06-10T18:16:40.477

Modified: 2026-06-10T18:36:19.463

Link: CVE-2026-20251

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-10T19:30:36Z