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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.

Affected products

3
  • Splunk/Splunk2 versions
    cpe:2.3:a:splunk:splunk:10.2.0:*:*:*:enterprise:*:*:*+ 1 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
  • Splunk/Splunk Cloud Platform
    cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
    Range: >=9.3.2411,<9.3.2411.127

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

1

News mentions

2