CVE-2026-20204

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.

• splunk splunk (>= 9.3.0 < 9.3.11) • splunk splunk (>= 9.4.0 < 9.4.10) • splunk splunk (>= 10.0.0 < 10.0.5) • splunk splunk 10.2.0 • splunk splunk cloud platform (>= 9.3.2411 < 9.3.2411.127) • splunk splunk cloud platform (>= 10.0.2503 < 10.0.2503.13) • splunk splunk cloud platform (>= 10.1.2507 < 10.1.2507.19) • splunk splunk cloud platform (>= 10.2.2510 < 10.2.2510.9) • splunk splunk cloud platform (>= 10.3.2512 < 10.3.2512.5)