CVE-2026-20251

CVE Database · CVE-2026-20251

CVE-2026-20251

· HIGHAnalyzed

CVSS v3.1

8.8

EPSS

0.57%

Published

Jun 10, 2026

Modified

Jun 15, 2026

Public PoC / Exploit

All weaponized →

No public PoC or exploit code indexed for this CVE.

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-502

Affected Products (11)

splunk · splunk (up to 9.3.13)vulnerable

splunk · splunk (up to 9.4.12)vulnerable

splunk · splunk (up to 10.0.7)vulnerable

splunk · splunk (up to 10.2.4)vulnerable

splunk · splunk_cloud_platform (up to 9.3.2411.132)vulnerable

splunk · splunk_cloud_platform (up to 10.1.2507.22)vulnerable

splunk · splunk_cloud_platform (up to 10.2.2510.14)vulnerable

splunk · splunk_cloud_platform (up to 10.3.2512.12)vulnerable

References (1)

https://advisory.splunk.com/advisories/SVD-2026-0601

Vendor Advisory

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