High severity7.1NVD Advisory· Published Jul 15, 2026· Updated Sep 17, 2026
CVE-2026-59255
CVE-2026-59255
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.
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Affected products
1- Range: <=9.4.0
Patches
Vulnerability mechanics
References
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