High [CVE-2026-76307] Sensitive Information Disclosure through REST API Query Filters in Splunk SOAR
This high-severity Splunk advisory covers CVE-2026-76307 affecting Splunk SOAR.
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Summary
In Splunk SOAR versions below 8.7.0, a user that holds a role with the Users and Roles view permission could use the Representational State Transfer (REST) API to infer authentication token values for other users. If the inferred token grants administrative access, that user could gain administrative access to the Splunk SOAR instance.
The vulnerability is possible because the REST API accepts caller-controlled query filters on sensitive user record fields. For more information see Using the REST API reference for Splunk SOAR (On-premises) ( ), Query for Data ( ), and Manage roles and permissions in Splunk SOAR (On-premises) ( ) in the Splunk documentation.
- Splunk SOAR before 8.7.0
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 8.7.0. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
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