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OpenAdvisories
High · 7.1 CVE-2026-20204 EUVD-2026-22934

Improper Handling and Insufficient Isolation of Specific Temporary Files in Splunk Enterprise

Published Apr 15, 2026 · Updated Apr 16, 2026 · Assigned by cisco

Vendor: Splunk Product: Splunk Cloud Platform Product: Splunk Enterprise

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

VendorProductAffectedFixed
Splunk Splunk Enterprise 10.2 – < 10.2.1, 10.0 – < 10.0.5, 9.4 – < 9.4.10, 9.3 – < 9.3.11 10.2.1
Splunk Splunk Cloud Platform 10.4.2603 – < Not Affected, 10.3.2512 – < 10.3.2512.5, 10.2.2510 – < 10.2.2510.9, 10.1.2507 – < 10.1.2507.19, 10.0.2503 – < 10.0.2503.13, 9.3.2411 – < 9.3.2411.127 Not Affected

Advisories 1

References