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High severity8.8NVD Advisory· Published Jun 10, 2026· Updated Jun 15, 2026

CVE-2026-20251

CVE-2026-20251

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.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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

6
  • Splunk/Splunk Cloud Platform2 versions
    cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*range: >=9.3.2411,<9.3.2411.132
    • (no CPE)range: <10.3.2512.12, <10.2.2510.14, <10.1.2507.22, <9.3.2411.132
  • Splunk/Splunk
    cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
    Range: >=9.3.0,<9.3.13
  • Splunk/Splunk Secure Gateway2 versions
    cpe:2.3:a:splunk:splunk_secure_gateway:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:splunk:splunk_secure_gateway:*:*:*:*:*:*:*:*range: >=3.8.0,<3.8.67
    • (no CPE)range: <3.10.6, <3.9.20, <3.8.67
  • Splunk/Splunk Enterprisellm-fuzzy
    Range: <10.2.4, <10.0.7, <9.4.12, <9.3.13

Patches

Vulnerability mechanics

References

1

News mentions

2