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High severity7.1NVD Advisory· Published Apr 15, 2026· Updated Apr 17, 2026

CVE-2026-20204

CVE-2026-20204

Description

In Splunk Enterprise versions below 10.2.1, 10.0.5, 9.4.10, and 9.3.11, and Splunk Cloud Platform versions below 10.4.2603.0, 10.3.2512.5, 10.2.2510.9, 10.1.2507.19, 10.0.2503.13, and 9.3.2411.127, a low-privileged user that does not hold the admin or power Splunk roles could potentially perform a Remote Code Execution (RCE) by uploading a malicious file to the $SPLUNK_HOME/var/run/splunk/apptemp directory due to improper handling and insufficient isolation of temporary files within the apptemp directory.

AI Insight

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

Affected products

5
  • Splunk/Splunk3 versions
    cpe:2.3:a:splunk:splunk:10.2.0:*:*:*:enterprise:*:*:*+ 2 more
    • cpe:2.3:a:splunk:splunk:10.2.0:*:*:*:enterprise:*:*:*
    • cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*range: >=9.3.0,<9.3.11
    • (no CPE)range: <10.2.1, <10.0.5, <9.4.10, <9.3.11
  • 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,<9.3.2411.127
    • (no CPE)range: <10.4.2603.0, <10.3.2512.5, <10.2.2510.9, <10.1.2507.19, <10.0.2503.13, <9.3.2411.127

Patches

Vulnerability mechanics

References

1

News mentions

1