CVE 6.8 MEDIUM

Sensitive Information Disclosure in “_internal” index in Splunk Enterprise_CVE-2026-20138

6.8 / 10
MEDIUM
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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.

Basic Information

ID CVE-2026-20138
Source cisco
Published Feb 18, 2026 at 16:45

Affected Product

Vendor Splunk
Product Splunk Enterprise
Version 10.0
Affected Versions Splunk Splunk Enterprise 10.0
Splunk Splunk Enterprise 9.4
Splunk Splunk Enterprise 9.3
Splunk Splunk Enterprise 9.2

References

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