Information disclosure in Splunk
CVE-2026-20164
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.
Vulnerability class: Information Disclosure
EPSS: 0.002 (13.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Splunk
- Splunk Cloud Platform — versions 10.2.2510, 10.1.2507, 10.0.2503
- Splunk Splunk_cloud_platform
- Splunk Enterprise — versions 10.0, 9.4, 9.3
Weakness classification (CWE)
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-20164?
- CVE-2026-20164 is a medium-severity vulnerability in Splunk, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-03-11.
- How severe is CVE-2026-20164?
- Medium severity. CVSS v3 base score is 6.5 out of 10.