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CVE-2026-76304— Sensitive Information Disclosure through Automation Broker Configuration in Splunk SOAR

Quick assessment

Affected
Splunk Splunk SOAR
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.

在 Splunk SOAR 8.7.0 之前的版本中，任何已认证但未被授予“编辑自动化代理（Automation Brokers）”权限的用户，仍可下载 Splunk SOAR 自动化代理的 Docker Compose 配置文件。该文件包含 Splunk SOAR 实例的统一资源定位符（URL）、容器镜像位置以及自动化代理的版本信息。 此漏洞产生的原因是：Splunk SOAR 在返回该配置文件时，未强制检查用户是否具备编辑自动化代理的权限。 更多信息请参阅 Splunk 官方文档中的以下内容： 在 Docker

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1069 · Permission Groups Discovery
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I. Basic Information for CVE-2026-76304

Vulnerability Information
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Vulnerability Title
Sensitive Information Disclosure through Automation Broker Configuration in Splunk SOAR
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk SOAR versions below 8.7.0, an authenticated user who does not hold a role with permission to edit Automation Brokers could download the Splunk SOAR Automation Broker Docker Compose configuration file. The file contains the Uniform Resource Locator (URL) of the Splunk SOAR instance, the container image location, and the Splunk SOAR Automation Broker version. The vulnerability is possible because Splunk SOAR returns the configuration file without enforcing the Automation Broker edit permission. For more information see Install Splunk Automation Broker on a Docker host (https://help.splunk.com/en/splunk-soar/splunk-automation-broker/install-and-create-classic-splunk-soar-automation-brokers/install-splunk-automation-broker-on-a-docker-host) and Manage roles and permissions in Splunk SOAR (On-premises) (https://help.splunk.com/en/splunk-soar/soar-on-premises/administer-soar-on-premises/8.5.0/manage-your-splunk-soar-on-premises-users-and-accounts/manage-roles-and-permissions-in-splunk-soar-on-premises) 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:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Splunk Splunk SOAR 0 ~ 8.7.0 -

II. Public POCs for CVE-2026-76304

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III. Intelligence Information for CVE-2026-76304

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Vendor Pages for CVE-2026-76304 (1)

Same Patch Batch · Splunk · 2026-10-21 · 31 CVEs total

CVE-2026-76291 8.8 HIGH Improper Access Control through Scheduled Search Safeguards in Splunk Enterprise
CVE-2026-76298 8.8 HIGH Use of Hard-coded Cryptographic Key in the PostgreSQL Sidecar Service in Splunk Enterprise
CVE-2026-76306 7.5 HIGH Information Disclosure through REST API Query Filters in Splunk SOAR
CVE-2026-76290 7.5 HIGH Denial of Service (DoS) through Unauthenticated Package Downloads over the REST API in Spl
CVE-2026-76288 7.5 HIGH Denial of Service (DoS) through Splunk Web Content-Type Header Parsing in Splunk Enterpris
CVE-2026-76307 7.2 HIGH Sensitive Information Disclosure through REST API Query Filters in Splunk SOAR
CVE-2026-76293 7.2 HIGH Remote Code Execution (RCE) through Splunk Web Manager Extensible Markup Language (XML) in
CVE-2026-76289 6.5 MEDIUM Denial of Service (DoS) through the REST API in Splunk Enterprise
CVE-2026-76305 6.5 MEDIUM Improper Access Control during App Downloads in Splunk SOAR
CVE-2026-76292 6.5 MEDIUM Missing Authorization through REST API Endpoints in Splunk Secure Gateway
CVE-2026-76308 6.5 MEDIUM Missing Authorization through the REST API in Splunk SOAR
CVE-2026-76406 5.9 MEDIUM Information Disclosure through REST API Authentication in Splunk SOAR
CVE-2026-76303 5.7 MEDIUM Stored Cross-Site Scripting (XSS) through App Documentation in Splunk SOAR
CVE-2026-76287 5.4 MEDIUM Authorization Bypass in the Data Management REST API in Splunk Enterprise
CVE-2026-76296 4.3 MEDIUM Missing Authorization through Sourcetype Renaming in Splunk Web for Splunk Enterprise
CVE-2026-76295 4.3 MEDIUM SPL Injection through the REST API in Splunk Secure Gateway
CVE-2026-76294 4.3 MEDIUM Improper Access Control in Field Extraction Management in Splunk Enterprise
CVE-2026-76297 4.2 MEDIUM Federated Search Provider State Change through Cross-Site Request Forgery (CSRF) in Splunk
CVE-2026-76526 Improper Neutralization in Splunk SOAR
CVE-2026-76302 Security Hardening in Splunk Enterprise - October 2026

Showing top 20 of 31 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Splunk SOAR
Same vendor: Splunk
Same weakness: CWE-862

V. Comments for CVE-2026-76304

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