CVE-2026-20138

MEDIUM

Splunk Enterprise <10.2.0 - Info Disclosure

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 6.8
EPSS 0.0008
EPSS Percentile 23.7%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-532
Status published
Products (1)
splunk/splunk 9.2.0 - 9.2.11
Published Feb 18, 2026
Tracked Since Feb 18, 2026