Missing Authorization check in SAP S/4HANA Backend OData Service (Manage Reference Structures)_CVE-2026-27678

{
    "lastseen": "",
    "description": "Due to missing authorization checks in the SAP S/4HANA backend OData Service (Manage Reference Structures), an attacker could update and delete child entities via exposed OData services without proper authorization. This vulnerability has a high impact on integrity, while confidentiality and availability are not impacted.",
    "published": "2026-04-14T00:07:33.397Z",
    "modified": "2026-04-14T00:07:33.397Z",
    "type": "cve",
    "title": "Missing Authorization check in SAP S/4HANA Backend OData Service (Manage Reference Structures)",
    "source": "sap",
    "references": "https://me.sap.com/notes/3715177\nhttps://url.sap/sapsecuritypatchday",
    "id": "CVE-2026-27678",
    "bulletinFamily": "",
    "cwe": [
        "CWE-862"
    ],
    "cvelist": null,
    "sourceData": "SAP_SE SAP S/4HANA Backend OData Service (Manage Reference Structures) S4CORE 109",
    "sourceHref": "",
    "cvss": {
        "score": 6.5,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
        "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": "SAP S/4HANA Backend OData Service (Manage Reference Structures)",
    "version": "S4CORE 109",
    "vendor": "SAP_SE",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}