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CVE-2026-20238— Improper Access Control through Role Inheritance in Splunk AI Toolkit app

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.

Splunk AI Toolkit是Splunk公司的一个面向Splunk平台的机器学习与人工智能分析工具包。 Splunk AI Toolkit 5.7.3之前版本存在安全漏洞，该漏洞源于authorize.conf配置文件中srchFilter条目修改内置用户角色，可能导致低权限用户访问通过srchFilter配置限制的机密数据。

CVSS 6.5 · Medium EPSS 0.32% · P23

Affected Version Matrix 1

VendorProduct Version RangeStatus
Splunk Splunk AI Toolkit 5.7< 5.7.3 affected
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I. Basic Information for CVE-2026-20238

Vulnerability Information
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Vulnerability Title
Improper Access Control through Role Inheritance in Splunk AI Toolkit app
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk AI Toolkit versions below 5.7.3, a low-privileged user that does not hold the 'admin' or 'power' roles could access confidential data that was restricted through `srchFilter` configurations on custom roles.<br><br>The app contains an `authorize.conf` configuration file with a `srchFilter` entry that modifies the built-in ‘user’ role. Because the Splunk platform combines inherited search filters with the `OR` SPL operator, the injected filter overrides more restrictive filters on child roles.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Splunk AI Toolkit 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Splunk AI Toolkit是Splunk公司的一个面向Splunk平台的机器学习与人工智能分析工具包。 Splunk AI Toolkit 5.7.3之前版本存在安全漏洞，该漏洞源于authorize.conf配置文件中srchFilter条目修改内置用户角色，可能导致低权限用户访问通过srchFilter配置限制的机密数据。
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 ~ 5.7.3 -

II. Public POCs for CVE-2026-20238

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III. Intelligence Information for CVE-2026-20238

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Vendor Advisories for CVE-2026-20238 (1)

Same Patch Batch · Splunk · 2026-05-20 · 3 CVEs total

CVE-2026-20239 7.5 HIGH Sensitive Information Disclosure through Log Files in Splunk Enterprise
CVE-2026-20240 7.1 HIGH Denial of Service through coldToFrozen.sh Script in Splunk Enterprise

IV. Related Vulnerabilities

Same product: Splunk AI Toolkit
Same vendor: Splunk
Same weakness: CWE-863

V. Comments for CVE-2026-20238

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