CVE-2026-76306 Information Disclosure through REST API Query Filters in Splunk SOAR
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-76306?
CVE-2026-76306 is a high-severity vulnerability in Splunk SOAR, published on 21 Oct 2026.
Official description
In Splunk SOAR versions below 8.7.0, a user that has the "Observer" role could use query filters in the Representational State Transfer (REST) API to infer password hashes and authorization tokens for other users. The information disclosure is possible because Splunk SOAR applies REST API query filters to user records before it protects sensitive fields from query processing. For more information see Using the REST API reference for Splunk SOAR (On-premises) (https://help.splunk.com/en/splunk-soar/soar-on-premises/rest-api-reference/8.5.0/using-the-splunk-soar-rest-api/using-the-rest-api-reference-for-splunk-soar-on-premises), Query for Data (https://help.splunk.com/en/splunk-soar/soar-on-premises/rest-api-reference/7.1.0/using-the-splunk-soar-rest-api/query-for-data), 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.
Weakness: CWE-200
Which versions are affected by CVE-2026-76306?
How do I fix CVE-2026-76306?
No fix has been published for CVE-2026-76306 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-76306 being exploited?
There is no known exploitation of CVE-2026-76306 in the wild and no public exploit code.
Sources
Also known as GHSA-cm97-8h22-4fq2.