CVE-2026-20138

MEDIUM

Splunk Enterprise <10.2.0 - Info Disclosure

Title source: llm

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.

References (1)

[Various Sources] https://advisory.splunk.com/advisories/SVD-2026-0203

Scores

CVSS v3 6.8

EPSS 0.0004

EPSS Percentile 11.7%

Attack Vector ADJACENT_NETWORK

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

Classification

CWE

CWE-532

Status published

Affected Products (1)

splunk/splunk < 9.2.11

Timeline

Published Feb 18, 2026

Tracked Since Feb 18, 2026