CVE-2026-20164 MEDIUM

CVE-2026-20164: Sensitive Information Disclosure through Improper Access Control in Splunk Enterprise

Vendor Splunk
Product Splunk Enterprise
Weakness CWE-200 · Info exposure
Published March 11, 2026
Last update March 12, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 11, 2026 CVE published
March 12, 2026 Record updated