Medium [CVE-2026-76370] Information Disclosure through the REST API in Splunk SOAR
This medium-severity Splunk advisory covers CVE-2026-76370 affecting Splunk SOAR.
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Summary
In Splunk SOAR versions below 8.6.0, an authenticated user with restricted tenant access could use the Representational State Transfer (REST) API to view the names and identifiers of tenants that fall outside the role scope for that user.
The vulnerability is possible because Splunk SOAR does not enforce role-based tenant restrictions when it returns tenant information through the REST API in deployments with multi-tenancy turned on.
For more information see REST Roles and Permissions ( ) and Configure multiple tenants on your Splunk SOAR (On-premises) instance ( ) in the Splunk documentation.
- Splunk SOAR 8.6 before 8.6.0
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- For more information see REST Roles and Permissions (https://help.splunk.com/en/splunk-soar/soar-cloud/rest-api-reference/role-management-endpoints/rest-roles-and-permissions) and Configure multiple tenants on your Splunk SOAR (On-premises) instance (https://help.splunk.com/en/splunk-soar/soar-on-premises/administer-soar-on-premises/7.1.0/configure-product-settings-for-your-splunk-soar-on-premises-instance/configure-multiple-tenants-on-your-splunk-soar-on-premises-instance) in the Splunk documentation.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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