Vulnerability · Published Feb 18, 2026 · Assigned by cisco

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

Medium 6.8

In plain English

A medium-severity sensitive data in logs in Splunk Enterprise from Splunk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).

Severity (CVSS 3.1)6.8Medium

Exploit odds (30 days)0.3%top 72.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Splunk	Splunk Enterprise	10.0 – before 10.0.29.4 – before 9.4.79.3 – before 9.3.99.2 – before 9.2.11

Weakness: CWE-532 · Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

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