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I. Basic Information for CVE-2026-27678
Vulnerability Information

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Vulnerability Title
Missing Authorization check in SAP S/4HANA Backend OData Service (Manage Reference Structures)
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
SAP S/4HANA OData Service 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAP S/4HANA OData Service是德国思爱普(SAP)公司的一个企业系统数据接口与服务集成组件。 SAP S/4HANA OData Service存在安全漏洞,该漏洞源于缺少授权检查,可能导致攻击者通过暴露的OData服务未经授权更新和删除子实体。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
SAP_SESAP S/4HANA Backend OData Service (Manage Reference Structures) S4CORE 109 -
II. Public POCs for CVE-2026-27678
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III. Intelligence Information for CVE-2026-27678
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