In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below...

In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability edit_saved_search_owner could reassign saved search ownership to users outside their authorized scope. The ownership reassignment endpoint lacks access control.