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CVE-2026-20163— Remote Command Execution (RCE) through the '/splunkd/__upload/indexing/preview' REST endpoint 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 10.2.0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 10.2.2510.5之前版本、10.0.2503.12之前版本、10.1.2507.16之

CVSS 8.0 · High EPSS 0.46% · P38
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I. Basic Information for CVE-2026-20163

Vulnerability Information
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Vulnerability Title
Remote Command Execution (RCE) through the '/splunkd/__upload/indexing/preview' REST endpoint in Splunk Enterprise
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk Enterprise versions below 10.2.0, 10.0.4, 9.4.9, and 9.3.10, and Splunk Cloud Platform versions below 10.2.2510.5, 10.0.2503.12, 10.1.2507.16, and 9.3.2411.124, a user who holds a role that contains the high-privilege capability `edit_cmd` could execute arbitrary shell commands using the `unarchive_cmd` parameter for the `/splunkd/__upload/indexing/preview` REST endpoint.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Splunk Cloud Platform和Splunk Enterprise 命令注入漏洞
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 10.2.0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 10.2.2510.5之前版本、10.0.2503.12之前版本、10.1.2507.16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 10.0 ~ 10.0.4 -
Splunk Splunk Cloud Platform 10.2.2510 ~ 10.2.2510.5 -

II. Public POCs for CVE-2026-20163

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III. Intelligence Information for CVE-2026-20163

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Vendor Advisories for CVE-2026-20163 (1)

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

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-2026-20165 6.3 MEDIUM Sensitive Information Disclosure in MongoClient logging channel 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-77

V. Comments for CVE-2026-20163

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