CVE Catalog

CVE-2026-59255

HighCVSS 7.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.25%

16th percentile - higher than 16% of all known CVEs

Summary

A missing authorization vulnerability in BloodHound through version 9.4.0, fixed in commit 8f79035, allows any authenticated user to modify the global graph schema via custom-nodes API endpoints.

Risk Assessment

Attackers with valid session tokens can create, update, or delete custom node types affecting all users and tenants, potentially compromising data integrity and disrupting the entire BloodHound instance.

Recommendation

Immediately update BloodHound to a version containing commit 8f79035 or later. Restrict access to custom-nodes API endpoints to trusted users only.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS