VULNERABILITY INTELLIGENCE

CVE-2026-20138

CVSS score6.8 MEDIUM
EPSS probability0.34%
CISA KEVNot currently listed
Published2026-02-18
Last modified2026-06-17
CVSS vectorCVSS: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.

Weakness classification

  • psirt@cisco.com: CWE-532
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-532

Primary references