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CVE-2026-89103— Broken Access Control in SAP Gateway

Quick assessment

Affected
SAP_SE SAP Gateway
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 Gateway 启用了具有高权限的默认访问控制列表（ACL），导致外部攻击者被错误地归类为内部应用服务器。因此，任何能够通过网络访问 SAP Gateway 的未认证攻击者均可利用此缺陷，在应用环境中执行未经授权的操​​作，从而对受影响系统的机密性、完整性和可用性造成严重影响。

CVSS 10.0 · Critical
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I. Basic Information for CVE-2026-89103

Vulnerability Information
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Vulnerability Title
Broken Access Control in SAP Gateway
Source: CVE Program / CVE List V5
Vulnerability Description
SAP Gateway activates the default Access Control List with high privileges allowing categorization of external attacker as internal application server. As a result an unauthenticated attacker with network access to the SAP Gateway could exploit this weakness to potentially perform unauthorized actions within the application environment, resulting in a high impact on the confidentiality, integrity, and availability of the affected system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
SAP_SE SAP Gateway KRNL64NUC 7.22 -

II. Public POCs for CVE-2026-89103

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III. Intelligence Information for CVE-2026-89103

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Other References for CVE-2026-89103 (1)

Same Patch Batch · SAP_SE · 2026-11-10 · 40 CVEs total

CVE-2026-76964 10.0 CRITICAL Memory Corruption Vulnerability in SAP NetWeaver AS ABAP (Internet Communication Manager)
CVE-2026-120017 10.0 CRITICAL Missing Authentication in SAP NetWeaver AS ABAP and ABAP Platform (SAML2 Service Provider)
CVE-2026-89126 10.0 CRITICAL Memory Corruption vulnerability in SAP Web Dispatcher
CVE-2026-109795 9.9 CRITICAL Missing authorization check in S4CRM
CVE-2026-76965 9.9 CRITICAL OS Command Injection vulnerability in ABAP Application Server for SAP NetWeaver and ABAP P
CVE-2026-109803 9.9 CRITICAL Code Injection vulnerability in SAP NetWeaver Knowledge Management (XML Forms)
CVE-2026-89119 9.6 CRITICAL Cross-Site Request Forgery (CSRF) vulnerability in SAP Web Dispatcher and Internet Communi
CVE-2026-109798 9.1 CRITICAL XML External Entity (XXE) Vulnerability in SAP BusinessObjects Business Intelligence Platf
CVE-2026-76966 8.9 HIGH Multiple vulnerabilities in Application Server ABAP of SAP NetWeaver and ABAP Platform
CVE-2026-120008 8.2 HIGH Memory Corruption Vulnerability in SAP NetWeaver (Internet Graphics Service)
CVE-2026-109800 7.7 HIGH Memory Corruption vulnerability in SAP Web Dispatcher
CVE-2026-120014 7.6 HIGH Cross-Site Request Forgery (CSRF) vulnerability in SAP Web Dispatcher and Internet Communi
CVE-2026-76973 7.5 HIGH Memory Corruption vulnerability in Application Server ABAP of SAP NetWeaver and ABAP Platf
CVE-2026-109794 7.5 HIGH Denial of Service vulnerability in SAP NetWeaver Application Server ABAP, ABAP Platform an
CVE-2026-109793 7.5 HIGH Denial of Service (DoS) vulnerability in SAP NetWeaver Application Server ABAP (Internet C
CVE-2026-109804 7.5 HIGH Information Disclosure in SAP NetWeaver (SAP Message Server)
CVE-2026-109806 7.5 HIGH Multiple Vulnerabilities in SAP NetWeaver (Internet Graphics Service)
CVE-2026-109807 7.5 HIGH Multiple Vulnerabilities in SAP NetWeaver (Internet Graphics Service)
CVE-2026-89114 7.5 HIGH Missing Authentication check in SAP NetWeaver AS Java EDM Application
CVE-2026-76970 7.5 HIGH Memory Corruption vulnerability in Application Server ABAP for SAP NetWeaver and ABAP Plat

Showing top 20 of 40 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: SAP Gateway
Same vendor: SAP_SE
Same weakness: CWE-863