CVE-2026-27679— Missing Authorization check in SAP S/4HANA Frontend OData Service (Manage Reference Structures)
Quick assessment
Affected
SAP_SE SAP S/4HANA Frontend OData Service (Manage Reference Structures)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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 Structures)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。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-27679
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Missing Authorization check in SAP S/4HANA Frontend OData Service (Manage Reference Structures)
Source: CVE Program / CVE List V5
Vulnerability Description
Due to missing authorization checks in the SAP S/4HANA frontend 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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
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 Structures)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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| SAP_SE | SAP S/4HANA Frontend OData Service (Manage Reference Structures) | UIS4H 109 | - |
|
II. Public POCs for CVE-2026-27679
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-27679
请登录查看更多情报信息。
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-2026-27678 | 6.5 MEDIUM | Missing Authorization check in SAP S/4HANA Backend OData Service (Manage Reference Structu |
| CVE-2026-27677 | 6.5 MEDIUM | Missing Authorization check in SAP S/4HANA OData Service (Manage Reference Equipment) |
| 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-2026-76974
Information Disclosure vulnerability in SAP Fiori Launchpad -
CVE-2026-76977
Clickjacking vulnerability in SAPUI5(Frame Options Allowlist -
CVE-2026-76971
Server-Side Request Forgery in SAP Manufacturing Integration -
CVE-2026-76969
Credential disclosure in multitenant applications using SAP -
CVE-2026-76968
Information Disclosure vulnerability in SAP Web Dispatcher,
Same weakness: CWE-862
-
CVE-2026-82041
UTMStack < 11.2.16 Missing Authorization via Command WebSock -
CVE-2026-104991
Phproject < 1.8.7 Missing Authorization via Issues REST API -
CVE-2026-104914
MISP: Soft-Deleted Attributes from Other Organizations Expos -
CVE-2026-104912
MISP Correlation Authorization Bypass Exposes Restricted Eve -
CVE-2026-96613
Missing Authorization in Meari IoT Cloud Platform OpenAPI Se
V. Comments for CVE-2026-27679
No comments yet