CVE-2026-34256— Missing Authorization check in SAP ERP and SAP S/4 HANA (Private Cloud and On-Premise)
Quick assessment
Affected
SAP_SE SAP ERP and SAP S/4 HANA (Private Cloud and On-Premise)
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 ERP和SAP S/4HANA都是德国思爱普（SAP）公司的产品。SAP ERP是一系列用于ERP管理的软件。SAP S/4HANA是一个基于 SAP HANA 内存数据库系统的的企业资源管理软件。 SAP ERP和SAP S/4HANA存在安全漏洞，该漏洞源于缺少授权检查，可能导致经过身份验证的攻击者执行特定ABAP报告以覆盖现有八字符可执行ABAP报告，影响可用性。
Possible ATT&CK Techniques 3 AI
T1055 · Process Injection T1068 · Exploitation for Privilege Escalation T1496 · Resource Hijacking
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I. Basic Information for CVE-2026-34256
Vulnerability Information
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Vulnerability Title
Missing Authorization check in SAP ERP and SAP S/4 HANA (Private Cloud and On-Premise)
Source: CVE Program / CVE List V5
Vulnerability Description
Due to a missing authorization check in SAP ERP and SAP S/4HANA (Private Cloud and On-Premise), an authenticated attacker could execute a particular ABAP report to overwrite any existing eight?character executable ABAP report without authorization. If the overwritten report is subsequently executed, the intended functionality could become unavailable. Successful exploitation impacts availability, with a limited impact on integrity confined to the affected report, while confidentiality remains unaffected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
SAP ERP和SAP S/4HANA 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAP ERP和SAP S/4HANA都是德国思爱普（SAP）公司的产品。SAP ERP是一系列用于ERP管理的软件。SAP S/4HANA是一个基于 SAP HANA 内存数据库系统的的企业资源管理软件。 SAP ERP和SAP S/4HANA存在安全漏洞，该漏洞源于缺少授权检查，可能导致经过身份验证的攻击者执行特定ABAP报告以覆盖现有八字符可执行ABAP报告，影响可用性。
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 ERP and SAP S/4 HANA (Private Cloud and On-Premise) | SAP_FIN 618 | - |
|
II. Public POCs for CVE-2026-34256
| # | POC Description | Source Link | Shenlong Link |
|---|
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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-2026-34264 | 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-2026-27677 | 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 |
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V. Comments for CVE-2026-34256
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