CVE-2026-20251

HIGH EPSS 43.1%
Published Jun 10, 20262w ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published Jun 10, 2026 2w ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
43.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-502 Deserialization of Untrusted Data Validation

Affected Products 11

VendorProductVersionRange
splunksplunk*≥9.3.0  –  <9.3.13
splunksplunk*≥9.4.0  –  <9.4.12
splunksplunk*≥10.0.0  –  <10.0.7
splunksplunk*≥10.2.0  –  <10.2.4
splunksplunk_cloud_platform*≥9.3.2411  –  <9.3.2411.132
splunksplunk_cloud_platform*≥10.1.2507  –  <10.1.2507.22
splunksplunk_cloud_platform*≥10.2.2510  –  <10.2.2510.14
splunksplunk_cloud_platform*≥10.3.2512  –  <10.3.2512.12
splunksplunk_secure_gateway*≥3.8.0  –  <3.8.67
splunksplunk_secure_gateway*≥3.9.0  –  <3.9.20
splunksplunk_secure_gateway*≥3.10.0  –  <3.10.6

References 1

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.