In Splunk Enterprise versions below 9.2.2, 9.1.5, and 9.0.10, a low-privileged user that does not hold the admin or power Splunk roles could cause a Remote Code Execution through an external lookup that references the “splunk_archiver“ application.
https://securityaffairs.com/165204/security/splunk-enterprise-and-cloud-platform-flaws.html
https://www.securityweek.com/splunk-patches-high-severity-vulnerabilities-in-enterprise-product/
https://research.splunk.com/application/8598f9de-bba8-42a4-8ef0-12e1adda4131