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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.

PUBLISHED Reserved 2025-10-08 | Published 2026-02-18 | Updated 2026-02-18 | Assigner cisco




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

Problem types

Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.

Product status

10.0 (custom) before 10.0.2
affected

9.4 (custom) before 9.4.7
affected

9.3 (custom) before 9.3.9
affected

9.2 (custom) before 9.2.11
affected

References

advisory.splunk.com/advisories/SVD-2026-0203

cve.org (CVE-2026-20138)

nvd.nist.gov (CVE-2026-20138)

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