CVE-2026-20251

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.

• Splunk

  APP
  Splunk
  9.3.0 – 9.3.13 (bez)9.4.0 – 9.4.12 (bez)10.0.0 – 10.0.7 (bez)10.2.0 – 10.2.4 (bez)

• Splunk Cloud Platform

  APP
  Splunk
  9.3.2411 – 9.3.2411.132 (bez)10.1.2507 – 10.1.2507.22 (bez)10.2.2510 – 10.2.2510.14 (bez)10.3.2512 – 10.3.2512.12 (bez)

• Splunk Secure Gateway

  APP
  Splunk
  3.8.0 – 3.8.67 (bez)3.9.0 – 3.9.20 (bez)3.10.0 – 3.10.6 (bez)