In Splunk Enterprise versions in the following table, an authenticated user can craft a dashboard that could potentially leak information (for example, username, email, and real name) about Splunk users, when visited by another user through the drilldown component. The vulnerability requires user access to create and share dashboards using Splunk Web.
https://www.splunk.com/en_us/product-security/announcements/svd-2022-0802.html
https://research.splunk.com/application/f844c3f6-fd99-43a2-ba24-93e35fe84be6