CVE-2026-20164: Splunk

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In Splunk Enterprise versions below 10.2.0, 10.0.3, 9.4.9, and 9.3.10, and Splunk Cloud Platform versions below 10.2.2510.5, 10.1.2507.16, 10.0.2503.11, and 9.3.2411.123, a low-privileged user that does not hold the "admin" or "power" Splunk roles could access the `/splunkd/__raw/servicesNS/-/-/configs/conf-passwords` REST API endpoint, which exposes the hashed or plaintext password values that are stored in the passwords.conf configuration file due to improper access control. This vulnerability could allow for the unauthorized disclosure of sensitive credentials.

Affected products

• Splunk Splunk: from 9.3.0, before 9.3.10 (fixed in 9.3.10); from 9.4.0, before 9.4.9 (fixed in 9.4.9); from 10.0.0, before 10.0.3 (fixed in 10.0.3)
• Splunk Splunk Cloud Platform: from 9.3.2411, before 9.3.2411.123 (fixed in 9.3.2411.123); from 10.0.2503, before 10.0.2503.11 (fixed in 10.0.2503.11); from 10.1.2507, before 10.1.2507.16 (fixed in 10.1.2507.16); from 10.2.2510, before 10.2.2510.5 (fixed in 10.2.2510.5)

Published 2026-03-11. Last modified 2026-06-17.