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CVE-2026-20138

nvd nist
Published: Feb 18, 2026Modified: Jun 17, 2026

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4.9
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Exploitability: 1.2 / Impact: 3.6
Source: NVD

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.

Affected (4)

Products: Splunk: Splunk
Splunk
1 product
Splunk
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Splunk
Splunk
From 10.0.0 to 10.0.2
Splunk
From 9.2.0 to 9.2.11
Splunk
From 9.3.0 to 9.3.9
Splunk
From 9.4.0 to 9.4.7

Related CWEs

CWE-532
Insertion of Sensitive Information into Log File
Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.

References (1)

Source: psirt@cisco.com
Vendor Advisory

Timeline

No history available yet.