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

CVSS 6.8 · Medium EPSS 0.08% · P24
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I. Basic Information for CVE-2026-20142

Vulnerability Information
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Vulnerability Title
Sensitive Information Disclosure in "_internal" index in Splunk Enterprise
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过日志文件的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Splunk Enterprise 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Splunk Enterprise是美国Splunk公司的一套数据收集分析软件。 Splunk Enterprise 10.2.0之前版本、10.0.2之前版本、9.4.7之前版本、9.3.9之前版本和9.2.11之前版本存在日志信息泄露漏洞，该漏洞源于具有_internal索引访问权限的用户可以明文查看Authentication.conf文件中的RSA访问密钥，可能导致敏感信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
SplunkSplunk Enterprise 10.0 ~ 10.0.2 -

II. Public POCs for CVE-2026-20142

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III. Intelligence Information for CVE-2026-20142

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Same Patch Batch · Splunk · 2026-02-18 · 6 CVEs total

CVE-2026-201386.8 MEDIUMSensitive Information Disclosure in "_internal" index in Splunk Enterprise
CVE-2026-201446.8 MEDIUMSensitive Information Disclosure in ''_internal'' index in Splunk Enterprise
CVE-2026-201394.3 MEDIUMClient-Side Denial of Service (DoS) through ''/splunkd/__raw/services/authentication/users
CVE-2026-201414.3 MEDIUMImproper Access Control in Splunk Monitoring Console App
CVE-2026-201373.5 LOWRisky Commands Safeguards Bypass through preloaded Data Models due to Path Traversal vulne

IV. Related Vulnerabilities

Same product: Splunk Enterprise
Same vendor: Splunk
Same weakness: CWE-532

V. Comments for CVE-2026-20142

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