Vulnerability-Lookup

GHSA-Q537-QHJ4-WCJX

Vulnerability from github – Published: 2026-05-28 18:08 – Updated: 2026-05-28 18:08

Summary

OpenCTI: Privilege escalation via graphQL API is abusable by organization admins, due to incorrect ACL on userEdit relationAdd

Details

Summary

An organization admin can escalate their privileges by adding a user from a different organization with higher privileges, to their own organization.

Impact

Full platform access, access to sensitive or proprietary information.

Severity

7.2 (High)


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

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pycti"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.9.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-44730"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-28T18:08:59Z",
    "nvd_published_at": "2026-05-26T18:16:51Z",
    "severity": "HIGH"
  },
  "details": "### Summary\nAn organization admin can escalate their privileges by adding a user from a different organization with higher privileges, to their own organization.\n\n### Impact\nFull platform access, access to sensitive or proprietary information.",
  "id": "GHSA-q537-qhj4-wcjx",
  "modified": "2026-05-28T18:08:59Z",
  "published": "2026-05-28T18:08:59Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-q537-qhj4-wcjx"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44730"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/OpenCTI-Platform/opencti"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/pycti/PYSEC-2026-167.yaml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "OpenCTI: Privilege escalation via graphQL API is abusable by organization admins, due to incorrect ACL on userEdit relationAdd"
}

CVE-2026-44730 (GCVE-0-2026-44730)

Vulnerability from cvelistv5 – Published: 2026-05-26 17:03 – Updated: 2026-05-28 14:02

Title

OpenCTI: Privilege escalation via graphQL API abusable by organization admins, due to incorrect ACL on userEdit relationAdd

Summary

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.7, an organization admin can escalate their privileges by adding a user from a different organization with higher privileges, to their own organization. This is due to incorrect ACL on userEdit relationAdd. This vulnerability is fixed in 6.9.7.

Severity

7.2 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-284 - Improper Access Control

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/OpenCTI-Platform/opencti/secur…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
OpenCTI-Platform	opencti	Affected: < 6.9.7

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-44730",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-28T14:02:23.654339Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-28T14:02:34.018Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "opencti",
          "vendor": "OpenCTI-Platform",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 6.9.7"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.7, an organization admin can escalate their privileges by adding a user from a different organization with higher privileges, to their own organization. This is due to incorrect ACL on userEdit relationAdd. This vulnerability is fixed in 6.9.7."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284: Improper Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-26T17:03:55.036Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-q537-qhj4-wcjx",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-q537-qhj4-wcjx"
        }
      ],
      "source": {
        "advisory": "GHSA-q537-qhj4-wcjx",
        "discovery": "UNKNOWN"
      },
      "title": "OpenCTI: Privilege escalation via graphQL API abusable by organization admins, due to incorrect ACL on userEdit relationAdd"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-44730",
    "datePublished": "2026-05-26T17:03:55.036Z",
    "dateReserved": "2026-05-07T18:04:17.309Z",
    "dateUpdated": "2026-05-28T14:02:34.018Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

PYSEC-2026-167

Vulnerability from pysec - Published: 2026-05-26 18:16 - Updated: 2026-05-28 10:28

Details

Severity

7.2 (High)


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

Impacted products

Name	purl
pycti	pkg:pypi/pycti

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "pycti",
        "purl": "pkg:pypi/pycti"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.9.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.2.1",
        "1.2.11",
        "1.2.12",
        "1.2.13",
        "1.2.14",
        "1.2.15",
        "1.2.2",
        "1.2.4",
        "1.2.9",
        "2.0.0",
        "2.0.1",
        "2.0.2",
        "2.0.3",
        "2.1.10",
        "2.1.11",
        "2.1.12",
        "2.1.13",
        "2.1.3",
        "2.1.4",
        "2.1.5",
        "2.1.6",
        "2.1.7",
        "2.1.8",
        "2.1.9",
        "3.0.0",
        "3.0.1",
        "3.0.2",
        "3.0.3",
        "3.1.0",
        "3.1.1",
        "3.1.2",
        "3.2.0",
        "3.2.1",
        "3.2.2",
        "3.2.3",
        "3.2.4",
        "3.2.5",
        "3.2.6",
        "3.2.7",
        "3.3.0",
        "3.3.1",
        "3.3.2",
        "3.3.3",
        "4.0.0",
        "4.0.1",
        "4.0.2",
        "4.0.3",
        "4.0.4",
        "4.0.5",
        "4.0.6",
        "4.0.7",
        "4.1.0",
        "4.1.1",
        "4.1.2",
        "4.2.1",
        "4.2.2",
        "4.2.3",
        "4.2.4",
        "4.3.0",
        "4.3.1",
        "4.3.2",
        "4.3.3",
        "4.3.4",
        "4.3.5",
        "4.4.0",
        "4.4.1",
        "4.4.2",
        "4.4.3",
        "4.5.0",
        "4.5.1",
        "4.5.2",
        "4.5.3",
        "4.5.4",
        "4.5.5",
        "5.0.0",
        "5.0.1",
        "5.0.2",
        "5.0.3",
        "5.1.0",
        "5.1.1",
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        "5.1.3",
        "5.1.4",
        "5.10.0",
        "5.10.1",
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        "5.11.3",
        "5.11.4",
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        "5.11.8",
        "5.11.9",
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        "5.12.11",
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        "5.12.18",
        "5.12.19",
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        "5.3.9",
        "5.3.post5310",
        "5.3.post5311",
        "5.3.post5312",
        "5.3.post5314",
        "5.3.post5315",
        "5.3.post5316",
        "5.3.post5317",
        "5.3.post5318",
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        "6.3.8",
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        "6.7.1",
        "6.7.10",
        "6.7.11",
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        "6.7.13",
        "6.7.14",
        "6.7.15",
        "6.7.16",
        "6.7.17",
        "6.7.18",
        "6.7.19",
        "6.7.2",
        "6.7.20",
        "6.7.3",
        "6.7.4",
        "6.7.5",
        "6.7.6",
        "6.7.7",
        "6.7.8",
        "6.7.9",
        "6.8.0",
        "6.8.1",
        "6.8.10",
        "6.8.11",
        "6.8.12",
        "6.8.13",
        "6.8.14",
        "6.8.15",
        "6.8.16",
        "6.8.17",
        "6.8.2",
        "6.8.3",
        "6.8.4",
        "6.8.5",
        "6.8.6",
        "6.8.7",
        "6.8.8",
        "6.8.9",
        "6.9.0",
        "6.9.1",
        "6.9.2",
        "6.9.3",
        "6.9.4",
        "6.9.5",
        "6.9.6"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-44730",
    "GHSA-q537-qhj4-wcjx"
  ],
  "details": "OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.7, an organization admin can escalate their privileges by adding a user from a different organization with higher privileges, to their own organization. This is due to incorrect ACL on userEdit relationAdd. This vulnerability is fixed in 6.9.7.",
  "id": "PYSEC-2026-167",
  "modified": "2026-05-28T10:28:40.168078Z",
  "published": "2026-05-26T18:16:51.023Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-q537-qhj4-wcjx"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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.

Action not permitted

GHSA-Q537-QHJ4-WCJX

Summary

Impact

CVE-2026-44730 (GCVE-0-2026-44730)

PYSEC-2026-167

Tags

Sightings

Nomenclature