CVE-2026-20144

Sensitive Information Disclosure in ''_internal'' index in Splunk Enterprise

State: Published
Severity: 6.8 Medium
Published: Feb 18, 2026
Updated: Feb 26, 2026
Reserved: Oct 8, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	6.8 Medium	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	cisco

Weaknesses

CWE-532 Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.

Affected Products

Product	Versions
Splunk EnterpriseSplunk	10.0 to before 10.0.2Affected 9.4 to before 9.4.7Affected 9.3 to before 9.3.8Affected 9.2 to before 9.2.11Affected
Splunk Cloud PlatformSplunk	10.1.2507 to before 10.1.2507.11Affected 10.0.2503 to before 10.0.2503.9Affected 9.3.2411 to before 9.3.2411.120Affected

References

https://advisory.splunk.com/advisories/SVD-2026-0209

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