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CVE-2026-20138

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CVE-2026-20138

Published: Feb 18, 2026

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

6.8

MEDIUM

Description

In Splunk Enterprise versions below 10.2.0, 10.0.2, 9.4.7, 9.3.9, and 9.2.11, a user of a Splunk Search Head Cluster (SHC) deployment who holds a role with access to the Splunk `_internal` index could view the `integrationKey`, `secretKey`, and `appSecretKey` secrets, generated by [Duo Two-Factor Authentication for Splunk Enterprise](https://duo.com/docs/splunk), in plain text.

VendorProductVersions

Splunk

Splunk Enterprise

affected
10.0 - < 10.0.2
affected
9.4 - < 9.4.7
affected
9.3 - < 9.3.9
affected
9.2 - < 9.2.11

Weaknesses (CWE)

CWE-532

CVSS v3.1 Details

CVSS v3.1 Vector

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

References

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