PT-2026-60250 · Specterops · Bloodhound

George Chen · Published 2026-07-15 · Updated 2026-07-15 · CVE-2026-59255

Mitre

CVSS v3.1

7.1

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

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.

Exploit

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-59255

Affected Products

Bloodhound

References · 5

• 🔥 https://github.com/SpecterOps/BloodHound/issues/2910 · Exploit
• https://github.com/SpecterOps/BloodHound/commit/8f790351349fd87bcb04377aba84cba6495825b3 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-59255 · Security Note
• https://github.com/SpecterOps/BloodHound/pull/2989 · Note
• https://vulncheck.com/advisories/bloodhound-missing-authorization-on-custom-node-management-api · Note