CVE-2023-22938: Splunk

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, the ‘sendemail’ REST API endpoint lets any authenticated user send an email as the Splunk instance. The endpoint is now restricted to the ‘splunk-system-user’ account on the local instance.

Affected products

• Splunk Splunk: from 8.1.0, before 8.1.13 (fixed in 8.1.13); from 8.2.0, before 8.2.10 (fixed in 8.2.10); from 9.0.0, before 9.0.4 (fixed in 9.0.4)
• Splunk Splunk Cloud Platform: before 9.0.2209.3 (fixed in 9.0.2209.3)

Published 2023-02-14. Last modified 2026-06-17.