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.

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Fixes

Solution

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Workaround

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History

Wed, 18 Feb 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 18 Feb 2026 17:30:00 +0000

Type Values Removed Values Added
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.
Title Sensitive Information Disclosure in "_internal" index in Splunk Enterprise
Weaknesses CWE-532
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-02-18T17:44:06.507Z

Reserved: 2025-10-08T11:59:15.381Z

Link: CVE-2026-20138

cve-icon Vulnrichment

Updated: 2026-02-18T17:43:59.754Z

cve-icon NVD

Status : Received

Published: 2026-02-18T18:24:23.427

Modified: 2026-02-18T18:24:23.427

Link: CVE-2026-20138

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses