CVE-2026-20144 MEDIUM

CVE-2026-20144: Sensitive Information Disclosure in ''_internal'' index in Splunk Enterprise

Vendor Splunk
Product Splunk Enterprise
Weakness CWE-532 · Sensitive info in logs
Published February 18, 2026
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

6.8/10
Attack vector Adjacent
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

In Splunk Enterprise versions below 10.2.0, 10.0.2, 9.4.7, 9.3.8, and 9.2.11, and Splunk Cloud Platform versions below 10.2.2510.0, 10.1.2507.11, 10.0.2503.9, and 9.3.2411.120, a user of a Splunk Search Head Cluster (SHC) deployment who holds a role with access to the the Splunk _internal index could view the Security Assertion Markup Language (SAML) configurations for Attribute query requests (AQRs) or Authentication extensions in plain text within the conf.log file, depending on which feature is configured.

Key dates

02Disclosure timeline

February 18, 2026 CVE published
February 26, 2026 Record updated