Vulnerability-Lookup

GHSA-X4WV-M72P-PCF5

Vulnerability from github – Published: 2026-09-04 00:31 – Updated: 2026-09-04 00:31

Details

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.

Severity

6.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

5.3 (Medium)


                  
                    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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-85241"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-266"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-03T23:17:20Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-x4wv-m72p-pcf5",
  "modified": "2026-09-04T00:31:07Z",
  "published": "2026-09-04T00:31:07Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-85241"
    },
    {
      "type": "WEB",
      "url": "https://github.com/SpecterOps/BloodHound/commit/39d1276a63e95a7713f954dea632a19651d9cebb"
    },
    {
      "type": "WEB",
      "url": "https://github.com/SpecterOps/BloodHound"
    },
    {
      "type": "WEB",
      "url": "https://github.com/SpecterOps/BloodHound/releases/tag/v9.6.0-rc1"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-85241"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/894488"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/398471"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/398471/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-85241 (GCVE-0-2026-85241)

Vulnerability from cvelistv5 – Published: 2026-09-03 22:30 – Updated: 2026-09-04 18:35 X_Open Source

Title

SpecterOps BloodHound Graph Write Endpoint v2.go NewV2API improper authorization

Summary

Severity

5.3 (Medium)


                        
                          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

6.3 (Medium)


                        
                          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

6.3 (Medium)


                        
                          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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-04 18:34 UTC

CWE

CWE-285 - Improper Authorization
CWE-266 - Incorrect Privilege Assignment

Assigner

VulDB mitre root

References

7 references

URL	Tags
https://vuldb.com/vuln/398471	vdb-entrytechnical-description
https://vuldb.com/vuln/398471/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-85241	third-party-advisory
https://vuldb.com/submit/894488	third-party-advisory
https://github.com/SpecterOps/BloodHound/commit/3…	patch
https://github.com/SpecterOps/BloodHound/releases…	patch
https://github.com/SpecterOps/BloodHound/	product

Impacted products

1 product

Vendor	Product	Version
SpecterOps	BloodHound	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 cpe:2.3:a:specterops:bloodhound::::::::

Credits

b1d0ws (VulDB User) VulDB Vulnerability Moderation Team

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-85241",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-04T18:34:52.745970Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-04T18:35:02.401Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:specterops:bloodhound:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Graph Write Endpoint"
          ],
          "product": "BloodHound",
          "vendor": "SpecterOps",
          "versions": [
            {
              "status": "affected",
              "version": "9.0.0"
            },
            {
              "status": "affected",
              "version": "9.1.0"
            },
            {
              "status": "affected",
              "version": "9.2.2"
            },
            {
              "status": "affected",
              "version": "9.4.0"
            },
            {
              "status": "affected",
              "version": "9.5.0"
            },
            {
              "status": "affected",
              "version": "9.5.1"
            },
            {
              "status": "unaffected",
              "version": "9.6.0-rc1"
            },
            {
              "status": "unaffected",
              "version": "9.6.0"
            },
            {
              "status": "unaffected",
              "version": "9.7.0-rc3"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "b1d0ws (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB Vulnerability Moderation Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "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",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "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",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "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",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 6.5,
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-285",
              "description": "Improper Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-266",
              "description": "Incorrect Privilege Assignment",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-03T22:30:14.587Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-398471 | SpecterOps BloodHound Graph Write Endpoint v2.go NewV2API improper authorization",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/398471"
        },
        {
          "name": "VDB-398471 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/398471/cti"
        },
        {
          "name": "CVE-2026-85241 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-85241"
        },
        {
          "name": "Submit #894488 | SpecterOps BloodHound 9.4.0 Improper Authorization",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/894488"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/SpecterOps/BloodHound/commit/39d1276a63e95a7713f954dea632a19651d9cebb"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/SpecterOps/BloodHound/releases/tag/v9.6.0-rc1"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/SpecterOps/BloodHound/"
        }
      ],
      "tags": [
        "x_open-source"
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-09-03T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-09-03T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-09-03T17:52:17.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "SpecterOps BloodHound Graph Write Endpoint v2.go NewV2API improper authorization",
      "x_generator": [
        "VulDB PVTS v202609"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-85241",
    "datePublished": "2026-09-03T22:30:14.587Z",
    "dateReserved": "2026-09-03T15:45:24.645Z",
    "dateUpdated": "2026-09-04T18:35:02.401Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

GHSA-X4WV-M72P-PCF5

CVE-2026-85241 (GCVE-0-2026-85241)

Tags

Sightings

Nomenclature

Related by attack behaviour