CVE-2026-85241SpecterOps BloodHound Graph Write Endpoint v2.go NewV2API improper authorization
- 5.3MediumCVSS base score
- 0.37%Exploitation in 30 daysEPSS · top 69% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By VulDB
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X |
| VulDBCNA (assigner) | 3.1 | Medium6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C |
| VulDBCNA (assigner) | 3.0 | Medium6.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C |
| VulDBCNA (assigner) | 2.0 | Medium6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C |
| NVDNVD · Deferred | 4.0 | Medium5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.37% · top 69% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
- affected 9.0.0
- affected 9.1.0
- affected 9.2.2
- affected 9.4.0
- affected 9.5.0
- affected 9.5.1
- unaffected 9.6.0-rc1
- unaffected 9.6.0
- unaffected 9.7.0-rc3
References
References7
- VDB-398471 | SpecterOps BloodHound Graph Write Endpoint v2.go NewV2API improper authorization (opens in a new tab)vdb-entrytechnical-description
- VDB-398471 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-required
- CVE-2026-85241 | CVE Analysis and Report (opens in a new tab)third-party-advisory
- Submit #894488 | SpecterOps BloodHound 9.4.0 Improper Authorization (opens in a new tab)third-party-advisory
- https://github.com/SpecterOps/BloodHound/commit/39d1276a63e95a7713f954dea632a19651d9cebb (opens in a new tab)patch
- https://github.com/SpecterOps/BloodHound/releases/tag/v9.6.0-rc1 (opens in a new tab)patch
- https://github.com/SpecterOps/BloodHound/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-70817 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-85241)Record last updated .