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Splunk CVE-2026-20144

MEDIUM
Insertion of Sensitive Information into Log File (CWE-532)
2026-02-18 psirt@cisco.com
6.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.8 MEDIUM
AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 18, 2026 - 18:24 nvd
MEDIUM 6.8

DescriptionCVE.org

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.

AnalysisAI

Splunk Enterprise and Splunk Cloud Platform deployments expose SAML authentication configurations in plaintext logs accessible to users with Search Head Cluster administrative roles and _internal index access, allowing credential and authentication extension disclosure. Affected versions include Splunk Enterprise below 10.2.0, 10.0.2, 9.4.7, 9.3.8, and 9.2.11, as well as Splunk Cloud Platform versions below 10.2.2510.0, 10.1.2507.11, 10.0.2503.9, and 9.3.2411.120. …

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Vulnerability AssessmentAI

Risk Assessment CVSS 6.8 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker could exploit this vulnerability to compromise the affected system.
Remediation Monitor vendor advisories for a patch. Detailed patch versions, workarounds, and compensating controls in full report.

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Within 30 days: Identify affected systems running Splunk Enterprise and apply vendor patches as part of regular patch cycle. …

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CVE-2026-20144 vulnerability details – vuln.today

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