What’s Vulnerable › Vulnerabilities
CVE-2026-20144: Sensitive Information Disclosure in ''_internal'' index in Splunk Enterprise
- Severity: medium (CVSS 4.9 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-02-18 · updated 2026-06-17
- Weakness: CWE-532
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.
Affected products
- Splunk Enterprise: from 9.2.0 before 9.2.11; from 9.3.0 before 9.3.8; from 9.4.0 before 9.4.7; from 10.0.0 before 10.0.2 — fixed in 10.0.2, 9.2.11, 9.3.8, 9.4.7
- Splunk Cloud Platform: from 9.3.2411 before 9.3.2411.120; from 10.0.2503 before 10.0.2503.9; from 10.1.2507 before 10.1.2507.11 — fixed in 10.0.2503.9, 10.1.2507.11, 9.3.2411.120
How to fix
Upgrade to a fixed version: Splunk Enterprise 10.0.2, 9.2.11, 9.3.8, 9.4.7; Splunk Cloud Platform 10.0.2503.9, 10.1.2507.11, 9.3.2411.120. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-20144 or the next vulnerability affects your stack