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CVE-2026-20266— OS Command Injection in the btool Configuration Helper in Splunk AI Toolkit

Quick assessment

Affected
Splunk Splunk AI Toolkit
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.

AI Toolkit是美国Splunk公司的一个机器学习工具包 Splunk ai toolkit 5.7.4之前版本存在命令注入漏洞，该漏洞源于btool配置助手中存在不安全的shell执行模式，从动态参数构造OS命令字符串时未禁用shell解释，可能导致持有admin角色的用户在运行Splunk Enterprise实例的主机上执行任意OS命令。

CVSS 9.1 · Critical EPSS 0.63% · P49

Affected Version Matrix 1

VendorProduct Version RangeStatus
Splunk Splunk AI Toolkit 5.7< 5.7.4 affected
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I. Basic Information for CVE-2026-20266

Vulnerability Information
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Vulnerability Title
OS Command Injection in the btool Configuration Helper in Splunk AI Toolkit
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk AI Toolkit versions below 5.7.4, a user who holds the "admin" Splunk role could execute arbitrary OS commands on the host running the Splunk Enterprise instance. The vulnerability is possible because of an unsafe shell execution pattern in the btool configuration helper, which constructs OS command strings from dynamic parameters without disabling shell interpretation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Splunk ai toolkit 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AI Toolkit是美国Splunk公司的一个机器学习工具包 Splunk ai toolkit 5.7.4之前版本存在命令注入漏洞，该漏洞源于btool配置助手中存在不安全的shell执行模式，从动态参数构造OS命令字符串时未禁用shell解释，可能导致持有admin角色的用户在运行Splunk Enterprise实例的主机上执行任意OS命令。
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 AI Toolkit 5.7 ~ 5.7.4 -

II. Public POCs for CVE-2026-20266

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III. Intelligence Information for CVE-2026-20266

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Vendor Advisories for CVE-2026-20266 (1)

IV. Related Vulnerabilities

Same product: Splunk AI Toolkit
Same vendor: Splunk
Same weakness: CWE-78

V. Comments for CVE-2026-20266

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