Medium 6.8Published Feb 18, 2026

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

Updated under an hour ago (Oct 27, 2026, 3:30 PM ET)

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It affects Splunk Enterprise and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Splunk Enterprise

Exploited in the last 30 days

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.

CVSS: 6.8 MEDIUM (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-532
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: cisco
NVD analysis: Analyzed
Record last updated: Feb 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Splunk Splunk Enterprise splunk:enterprise (from the name)	from 10.0 before 10.0.2; from 9.4 before 9.4.7; from 9.3 before 9.3.9; from 9.2 before 9.2.11	CNA record
splunk splunk splunk:splunk	from 9.2.0 before 9.2.11; from 9.3.0 before 9.3.9; from 9.4.0 before 9.4.7; from 10.0.0 before 10.0.2	NVD

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.