CVE-2026-20138

medium

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

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

Details

Source: Mitre, NVD

Published: 2026-02-18

Updated: 2026-02-19

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:A/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 6.8

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

Severity: Medium

EPSS

EPSS: 0.00018