CVE-2026-20138

MEDIUM EPSS 22.7%

Published Feb 18, 20264mo ago · Modified Jun 17, 20261w ago

4.9 CVSS 3.1

Medium

Published Feb 18, 2026 4mo ago

Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score

4.9

Exploitability

1.2

Impact

3.6

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required High

User Interaction None

Scope Unchanged

Confidentiality High

Integrity None

Availability None

Threat Intelligence

EPSS Exploit Probability

22.7% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-532

Affected Products 4

Vendor	Product	Version	Range
splunk	splunk	*	≥9.2.0 – <9.2.11
splunk	splunk	*	≥9.3.0 – <9.3.9
splunk	splunk	*	≥9.4.0 – <9.4.7
splunk	splunk	*	≥10.0.0 – <10.0.2

References 1

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

Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.