CVE-2026-27677— Missing Authorization check in SAP S/4HANA OData Service (Manage Reference Equipment)
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I. Basic Information for CVE-2026-27677
Vulnerability Information
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Vulnerability Title
Missing Authorization check in SAP S/4HANA OData Service (Manage Reference Equipment)
Source: NVD (National Vulnerability Database)
Vulnerability Description
Due to missing authorization checks in the SAP S/4HANA OData Service (Manage Reference Equipment), an attacker could update and delete child entities via 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 (Manage Reference Equipment)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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| SAP_SE | SAP S/4HANA OData Service (Manage Reference Equipment) | S4CORE 109 | - |
II. Public POCs for CVE-2026-27677
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|---|
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Same Patch Batch · SAP_SE · 2026-04-14 · 17 CVEs total
| CVE-2026-27681 | 9.9 CRITICAL | SQL Injection vulnerability in SAP Business Planning and Consolidation and SAP Business Wa |
| CVE-2026-34256 | 7.1 HIGH | Missing Authorization check in SAP ERP and SAP S/4 HANA (Private Cloud and On-Premise) |
| CVE-2026-34264 | 6.5 MEDIUM | Information Disclosure vulnerability in SAP Human Capital Management for SAP S/4HANA |
| CVE-2026-34261 | 6.5 MEDIUM | Missing Authorization check in SAP Business Analytics and SAP Content Management |
| CVE-2026-27679 | 6.5 MEDIUM | Missing Authorization check in SAP S/4HANA Frontend OData Service (Manage Reference Struct |
| CVE-2026-27678 | 6.5 MEDIUM | Missing Authorization check in SAP S/4HANA Backend OData Service (Manage Reference Structu |
| CVE-2026-34257 | 6.1 MEDIUM | Open Redirect vulnerability in SAP NetWeaver Application Server ABAP |
| CVE-2026-27674 | 6.1 MEDIUM | Code Injection vulnerability in SAP NetWeaver Application Server Java (Web Dynpro Java) |
| CVE-2026-0512 | 6.1 MEDIUM | Cross-Site Scripting (XSS) vulnerability in SAP Supplier Relationship Management (SICF Han |
| CVE-2026-34262 | 5.0 MEDIUM | Information Disclosure Vulnerability in SAP HANA Cockpit and HANA Database Explorer |
| CVE-2026-27673 | 4.9 MEDIUM | Missing Authorization Check in SAP S/4HANA (Private Cloud and On-Premise) |
| CVE-2026-27676 | 4.3 MEDIUM | Missing Authorization check in SAP S/4HANA OData Service (Manage Technical Object Structur |
| CVE-2026-27672 | 4.3 MEDIUM | Missing Authorization check in Material Master Application |
| CVE-2026-24318 | 4.2 MEDIUM | Insecure Session Management vulnerability in SAP BusinessObjects Business Intelligence Pla |
| CVE-2026-27683 | 4.1 MEDIUM | Reflected cross site scripting vulnerability in SAP BusinessObjects Business Intelligence |
| CVE-2026-27675 | 2.0 LOW | Code Injection vulnerability in SAP Landscape Transformation |
IV. Related Vulnerabilities
Same vendor: SAP_SE
- CVE-2026-34264
Information Disclosure vulnerability in SAP Human Capital Ma - CVE-2026-34262
Information Disclosure Vulnerability in SAP HANA Cockpit and - CVE-2026-34261
Missing Authorization check in SAP Business Analytics and SA - CVE-2026-34257
Open Redirect vulnerability in SAP NetWeaver Application Ser - CVE-2026-34256
Missing Authorization check in SAP ERP and SAP S/4 HANA (Pri
Same weakness: CWE-862
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