CVE-2026-20142

MEDIUM
2026-02-18 [email protected]
6.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 18, 2026 - 18:24 nvd
MEDIUM 6.8

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 RSA `accessKey` value from the [<u>Authentication.conf</u> ](https://help.splunk.com/en/splunk-enterprise/administer/admin-manual/10.2/configuration-file-reference/10.2.0-configuration-file-reference/authentication.conf)file, in plain text.

Analysis

Splunk Enterprise versions before 10.2.0, 10.0.2, 9.4.7, 9.3.9, and 9.2.11 expose RSA access keys in plain text within the Authentication.conf file to users with access to the _internal index on Search Head Cluster deployments. A privileged user with appropriate role permissions could read these sensitive credentials, compromising authentication security. …

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Remediation

Within 30 days: Identify affected systems running Splunk Enterprise and apply vendor patches as part of regular patch cycle. Review data exposure and access controls.

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Priority Score

34
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +34
POC: 0

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CVE-2026-20142 vulnerability details – vuln.today

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