CVE-2026-85241: SpecterOps BloodHound Graph Write Endpoint v2.go NewV2API improper authorization
A weakness has been identified in SpecterOps BloodHound up to 9.5.1. The affected element is the function NewV2API of the file cmd/api/src/api/registration/v2.go of the component Graph Write Endpoint. Executing a manipulation can lead to improper authorization. It is possible to launch the attack remotely. Upgrading to version 9.6.0-rc1, 9.6.0 and 9.7.0-rc3 is sufficient to fix this issue. This patch is called 39d1276a63e95a7713f954dea632a19651d9cebb. You should upgrade the affected component.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
SpecterOps BloodHound Graph Write Endpoint v2.go NewV2APIto a version that resolves this vulnerability.Fixed in 9.6.0-rc1Patch 39d1276a63e95a7713f954dea632a19651d9cebb - Upgrade
Upgrade
SpecterOps BloodHound Graph Write Endpoint v2.go NewV2APIto a version that resolves this vulnerability.Fixed in 9.6.0Patch 39d1276a63e95a7713f954dea632a19651d9cebb - Upgrade
Upgrade
SpecterOps BloodHound Graph Write Endpoint v2.go NewV2APIto a version that resolves this vulnerability.Fixed in 9.7.0-rc3Patch 39d1276a63e95a7713f954dea632a19651d9cebb
Event History
Frequently Asked Questions
Which deployments are affected?
SpecterOps BloodHound versions up to 9.5.1 are affected in the Graph Write Endpoint component, specifically the NewV2API function in cmd/api/src/api/registration/v2.go.
What access does an attacker need?
The issue can be exploited remotely and requires low-level privileges. No user interaction is required.
What is the impact of successful exploitation?
Successful manipulation can result in improper authorization, with low impact to confidentiality, integrity, and availability.
Which versions resolve the issue?
Upgrade the affected component to 9.6.0-rc1, 9.6.0, or 9.7.0-rc3. The fix is identified as patch 39d1276a63e95a7713f954dea632a19651d9cebb.