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CVE-2026-20251

Remote Code Execution through Deserialization of Untrusted Data in Splunk Secure Gateway PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Splunk / Splunk Enterpriseaffected 10.2 before 10.2.4; affected 10.0 before 10.0.7; affected 9.4 before 9.4.12; affected 9.3 before 9.3.13
Splunk / Splunk Cloud Platformaffected 10.3.2512 before 10.3.2512.12; affected 10.2.2510 before 10.2.2510.14; affected 10.1.2507 before 10.1.2507.22; affected 9.3.2411 before 9.3.2411.132
Splunk / Splunk Secure Gatewayaffected 3.10 before 3.10.6; affected 3.9 before 3.9.20; affected 3.8 before 3.8.67

CWE

CWE-502

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.