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CVE-2026-76397— Improper Access Control in Experiment History through the REST API 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.

Splunk AI Toolkit是美国Splunk公司的一个机器学习工具包。 Splunk AI Toolkit 6.0.0之前版本存在授权问题漏洞，该漏洞源于在处理调用者控制的查询值并访问受限历史数据之前未保留受信任的实验范围，可能导致拥有“power”角色的用户访问和删除实验历史中的相关数据，包括其他用户的数据。

CVSS 8.1 · High EPSS 0.35% · P27

Affected Version Matrix 1

VendorProduct Version RangeStatus
Splunk Splunk AI Toolkit 5.7< 6.0.0 affected
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I. Basic Information for CVE-2026-76397

Vulnerability Information
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Vulnerability Title
Improper Access Control in Experiment History through the REST API in Splunk AI Toolkit
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk AI Toolkit versions below 6.0.0, a user who holds the "power" Splunk role could access and delete all relevant data in experiment history, including data associated with other users. The vulnerability is possible because Splunk AI Toolkit does not preserve the trusted experiment scope when it processes caller-controlled query values before accessing restricted history data. For more information see Experiment Assistants (https://help.splunk.com/en/splunk-cloud-platform/apply-machine-learning/use-ai-toolkit/5.6.4/experiment-assistants) in the Splunk documentation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Splunk AI Toolkit 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Splunk AI Toolkit是美国Splunk公司的一个机器学习工具包。 Splunk AI Toolkit 6.0.0之前版本存在授权问题漏洞，该漏洞源于在处理调用者控制的查询值并访问受限历史数据之前未保留受信任的实验范围，可能导致拥有“power”角色的用户访问和删除实验历史中的相关数据，包括其他用户的数据。
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 ~ 6.0.0 -

II. Public POCs for CVE-2026-76397

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III. Intelligence Information for CVE-2026-76397

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Vendor Advisories for CVE-2026-76397 (1)

Same Patch Batch · Splunk · 2026-08-19 · 110 CVEs total

CVE-2026-76312 9.4 CRITICAL Improper Access Control through Embedded Reports in Splunk Enterprise
CVE-2026-76310 9.4 CRITICAL Improper Access Control through Embedded Report REST API Requests in Splunk Enterprise
CVE-2026-76311 9.4 CRITICAL Improper Access Control in Embedded Report Dispatch Archives in Splunk Enterprise
CVE-2026-76404 9.1 CRITICAL Remote Code Execution (RCE) through Deserialization of Untrusted Data in Splunk MCP Server
CVE-2026-76319 8.8 HIGH Remote Code Execution (RCE) through Federated Search in Splunk Enterprise
CVE-2026-76316 8.8 HIGH Stored SPL Injection through Deployment Server Broker Registration in Splunk Enterprise
CVE-2026-76351 8.8 HIGH Server-Side Request Forgery (SSRF) through the Report Notification REST API in Splunk Secu
CVE-2026-76350 8.8 HIGH Improper Privilege Management through PDF Attachments for Email Alert Actions in Splunk En
CVE-2026-76253 8.8 HIGH Privilege Escalation through Scheduled Search Alert Action Configuration in Splunk Enterpr
CVE-2026-76389 8.8 HIGH Server-Side Request Forgery (SSRF) through the REST API in Cisco Talos Intelligence for En
CVE-2026-76315 8.8 HIGH Code Injection through Splunk Web Manager Configuration in Splunk Enterprise
CVE-2026-76395 8.8 HIGH Remote Code Execution (RCE) through Deserialization of Untrusted Data in the Model Loading
CVE-2026-76313 8.8 HIGH Remote Code Execution (RCE) through the REST API in Splunk Enterprise
CVE-2026-76259 8.8 HIGH Improper Privilege Management on the Management Port in Splunk Enterprise for Windows
CVE-2026-76335 8.8 HIGH Remote Code Execution (RCE) through Splunk Web Manager Configuration in Splunk Enterprise
CVE-2026-76317 8.8 HIGH Path Traversal through the Lookup Configuration REST API in Splunk Enterprise
CVE-2026-76314 8.8 HIGH Remote Code Execution (RCE) through Splunk Web Manager Configuration in Splunk Enterprise
CVE-2026-76352 8.8 HIGH Improper Authorization through the REST API in Splunk Enterprise
CVE-2026-76391 8.3 HIGH Improper Privilege Management through Agent Run History in Splunk AI Toolkit
CVE-2026-76394 8.3 HIGH Missing Authorization in Container and Connection Management through the REST API in Splun

Showing top 20 of 110 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Splunk AI Toolkit
Same vendor: Splunk
Same weakness: CWE-639

V. Comments for CVE-2026-76397

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