CVE-2026-59255
BloodHound Missing Authorization on Custom Node Management API
CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | specterops |
| Product | bloodhound |
| Published | Jul 15, 2026 |
| Last Updated | Jul 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
Low
Affected Versions
SpecterOps / BloodHound
0 ≤ 9.4.0
References
github.com: https://github.com/SpecterOps/BloodHound/issues/2910 github.com: https://github.com/SpecterOps/BloodHound/pull/2989 github.com: https://github.com/SpecterOps/BloodHound/commit/8f790351349fd87bcb04377aba84cba6495825b3 vulncheck.com: https://www.vulncheck.com/advisories/bloodhound-missing-authorization-on-custom-node-management-api
Credits
George Chen