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    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.

    Published:Jun 10, 2026
    Last Modified:Jun 15, 2026
    EPS:Jun 10, 2026
    EPSS Score:0.00562
    CVSS Score:8.8

    Affected Products

    Vendor
    Splunk
    Product
    Splunk
    Vendor
    Splunk
    Product
    Splunk Cloud Platform
    Vendor
    Splunk
    Product
    Splunk Enterprise
    Vendor
    Splunk
    Product
    Splunk Secure Gateway

    Exploits

    https://github.com/reactivezero/CVE-2026-20251

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

    Related CVEs

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High