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CVE-2026-20165— Sensitive Information Disclosure in MongoClient logging channel in Splunk Enterprise

Quick assessment

Affected
Splunk Splunk Enterprise
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Splunk Cloud Platform和Splunk Enterprise都是美国Splunk公司的产品。Splunk Cloud Platform是一个强大的数据收集、处理和分析服务。Splunk Enterprise是一套数据收集分析软件。 Splunk Enterprise 10.2.1之前版本、10.0.4之前版本、9.4.9之前版本和9.3.10之前版本以及Splunk Cloud Platform 10.2.2510.7之前版本、10.1.2507.17之前版本、10.0.2503.12之

CVSS 6.3 · Medium EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-20165

Vulnerability Information
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Vulnerability Title
Sensitive Information Disclosure in MongoClient logging channel in Splunk Enterprise
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk Enterprise versions below 10.2.1, 10.0.4, 9.4.9, and 9.3.10, and Splunk Cloud Platform versions below 10.2.2510.7, 10.1.2507.17, 10.0.2503.12, and 9.3.2411.124, a low-privileged user that does not hold the "admin" or "power" Splunk roles could retrieve sensitive information by inspecting the job's search log due to improper access control in the MongoClient logging channel.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Splunk Cloud Platform和Splunk Enterprise 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Splunk Cloud Platform和Splunk Enterprise都是美国Splunk公司的产品。Splunk Cloud Platform是一个强大的数据收集、处理和分析服务。Splunk Enterprise是一套数据收集分析软件。 Splunk Enterprise 10.2.1之前版本、10.0.4之前版本、9.4.9之前版本和9.3.10之前版本以及Splunk Cloud Platform 10.2.2510.7之前版本、10.1.2507.17之前版本、10.0.2503.12之
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

Vendor Product Affected Versions CPE Subscribe
Splunk Splunk Enterprise 10.2 ~ 10.2.1 -
Splunk Splunk Cloud Platform 10.2.2510 ~ 10.2.2510.7 -

II. Public POCs for CVE-2026-20165

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III. Intelligence Information for CVE-2026-20165

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Vendor Advisories for CVE-2026-20165 (1)

Same Patch Batch · Splunk · 2026-03-11 · 5 CVEs total

CVE-2026-20163 8.0 HIGH Remote Command Execution (RCE) through the '/splunkd/__upload/indexing/preview' REST endpo
CVE-2026-20164 6.5 MEDIUM Sensitive Information Disclosure through Improper Access Control in Splunk Enterprise
CVE-2026-20162 6.3 MEDIUM Stored Cross-Site Scripting (XSS) through Path Traversal in Splunk Enterprise
CVE-2026-20166 5.4 MEDIUM Sensitive Information Disclosure in Discover Splunk Observability Cloud app for Splunk Ent

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-20165

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