SpecterOps BloodHound Graph Write Endpoint v2.go NewV2API improper authorization (CVE-2026-85241) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-85241

SpecterOps BloodHound Graph Write Endpoint v2.go NewV2API improper authorization

Answer in brief

CVE-2026-85241 records a Unknown severity vulnerability in SpecterOps BloodHound Graph Write Endpoint v2.go NewV2API improper authorization. The current sources do not mark it as known exploited. The current feed maps SpecterOps/BloodHound (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 3, 2026Updated Sep 3, 2026Source checked Sep 4, 2026First seen by HOL Sep 3, 2026Material review Sep 3, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps SpecterOps/BloodHound (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
SpecterOps/BloodHoundgeneric	9.0.0 \|\| 9.1.0 \|\| 9.2.2 \|\| 9.4.0 \|\| 9.5.0 \|\| 9.5.1	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for SpecterOps/BloodHound.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 3, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 3, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 3, 2026

Sources and claim methodology

Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.