CVE-2026-59255

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 v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/SpecterOps/BloodHound/commit/8f790351349fd87bcb04377aba84cba6495825b3
https://github.com/SpecterOps/BloodHound/issues/2910
https://github.com/SpecterOps/BloodHound/pull/2989
https://www.vulncheck.com/advisories/bloodhound-missing-authorization-on-custom-node-management-api

Configurations

No configuration.

History

24 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) BloodHound hasta la versión 9.4.0, corregido en el commit 8f79035, contiene una vulnerabilidad de autorización faltante en los puntos finales de la API custom-nodes que permite a cualquier usuario autenticado modificar el esquema del grafo global. Atacantes con tokens de sesión válidos pueden crear, actualizar o eliminar tipos de nodos personalizados afectando a todos los usuarios e inquilinos al invocar operaciones POST, PUT y DELETE no protegidas en los puntos finales custom-nodes.

Information

Published : 2026-07-15 18:16

Updated : 2026-10-24 21:10

NVD link : CVE-2026-59255

Mitre link : CVE-2026-59255

CVE.ORG link : CVE-2026-59255

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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