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.
SeverityMedium
CVSS6.8
Exploit probability—
ProductSplunk
PublishedFeb 18, 2026
First seenFeb 18, 2026
Weakness typeCWE-532CWE-532
How to fix
Update
- splunk splunk9.2.11, 9.3.9, 9.4.7, 10.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| splunk splunk | 9.2.0 ≤ v < 9.2.11, 9.3.0 ≤ v < 9.3.9, 9.4.0 ≤ v < 9.4.7, 10.0.0 ≤ v < 10.0.2 | 9.2.11, 9.3.9, 9.4.7, 10.0.2 |
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