OpenCTI: Privilege escalation via graphQL API abusable by organization admins, due to incorrect ACL on userEdit relationAdd_CVE-2026-44730

{
    "lastseen": "",
    "description": "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.",
    "published": "2026-05-26T17:03:55.036Z",
    "modified": "2026-05-26T17:03:55.036Z",
    "type": "cve",
    "title": "OpenCTI: Privilege escalation via graphQL API abusable by organization admins, due to incorrect ACL on userEdit relationAdd",
    "source": "GitHub_M",
    "references": "https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-q537-qhj4-wcjx",
    "id": "CVE-2026-44730",
    "bulletinFamily": "",
    "cwe": [
        "CWE-284"
    ],
    "cvelist": null,
    "sourceData": "OpenCTI-Platform opencti < 6.9.7",
    "sourceHref": "",
    "cvss": {
        "score": 7.2,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "opencti",
    "version": "< 6.9.7",
    "vendor": "OpenCTI-Platform",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}