CVE-2026-59255
Received
Received - Intake
BloodHound Missing Authorization in Custom-Nodes API
Vulnerability report for CVE-2026-59255, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-07-15
Last updated on: 2026-07-15
Assigner: VulnCheck
Description
Description
BloodHound through 9.4.0, fixed in commit 8f79035, contains a missing authorization vulnerability in the custom-nodes API endpoints that allows any authenticated user to modify the global graph schema. Attackers with valid session tokens can create, update, or delete custom node types affecting all users and tenants by invoking unprotected POST, PUT, and DELETE operations on the custom-nodes endpoints.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| bloodhound | bloodhound | to 9.4.0 (inc) |
| specterops | bloodhound | to 9.4.0 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-862 | The product does not perform an authorization check when an actor attempts to access a resource or perform an action. |