CVE-2026-20144

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

MEDIUM

4.9

CVSS Score

Published: February 18, 2026 at 04:45 PM UTC

Updated: June 17, 2026 at 10:17 AM UTC

2 products affected across 1 vendorSplunkSplunk Cloud Platform

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Severity

MEDIUM4.9

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Splunk · Splunk

95%

10.0 ≤ v < 10.0.210.0.0 ≤ v < 10.0.29.2 ≤ v < 9.2.119.2.0 ≤ v < 9.2.119.3 ≤ v < 9.3.89.3.0 ≤ v < 9.3.89.4 ≤ v < 9.4.79.4.0 ≤ v < 9.4.710.0 9.2 9.3 9.4

Affected range stops below 10.0.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.2.11, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.3.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.4.7, so it looks safe — our inference, not a vendor statement

Splunk Cloud Platform · Splunk

95%

10.0.2503 ≤ v < 10.0.2503.910.1.2507 ≤ v < 10.1.2507.119.3.2411 ≤ v < 9.3.2411.12010.0.2503 10.1.2507 9.3.2411

Affected range stops below 10.0.2503.9, so it looks safe — our inference, not a vendor statement

Affected range stops below 10.1.2507.11, so it looks safe — our inference, not a vendor statement

Affected range stops below 9.3.2411.120, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (1)

Vendor Advisory

Source: cverecord

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.9MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-532

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