Information Exposure in Splunk Enterprise Affects User Roles
CVE-2026-20142

6.8MEDIUM

Key Information:

Vendor

Splunk
Status
Splunk Enterprise
Vendor
CVE Published:
18 February 2026

What is CVE-2026-20142?

In certain versions of Splunk Enterprise, a vulnerability allows users with specific roles in a Splunk Search Head Cluster (SHC) deployment to access sensitive information stored in the _internal index. Users could potentially retrieve the plain text RSA accessKey from the Authentication.conf file, compromising the security of user credentials and systems. This exposure raises significant concerns regarding unauthorized access and data breaches.

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Affected Version(s)

Splunk Enterprise 10.0 < 10.0.2

Splunk Enterprise 9.4 < 9.4.7

Splunk Enterprise 9.3 < 9.3.9

References

https://advisory.splunk.com/advisories/SVD-2026-0207

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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