CVE-2026-20142 — Sensitive Information Disclosure in "_internal" index in Splunk Enterprise

CVE-2026-20142

Sensitive Information Disclosure in "_internal" index in Splunk Enterprise PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Splunk / Splunk Enterprise	affected 10.0 before 10.0.2; affected 9.4 before 9.4.7; affected 9.3 before 9.3.9; affected 9.2 before 9.2.11

CWE

CWE-532

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.