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CVE PROGRAM SOURCE RECORD6.8 Medium

CVE-2026-20138

Sensitive Information Disclosure in "_internal" index in Splunk Enterprise

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Splunk Splunk Enterprise

  • 10.0 to < 10.0.2affected
  • 9.4 to < 9.4.7affected
  • 9.3 to < 9.3.9affected
  • 9.2 to < 9.2.11affected

References