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CVE-2026-66768— Improper Access Control in SAP NetWeaver (SAP GUI for Java)

Quick assessment

Affected
SAP_SE SAP NetWeaver (SAP GUI for Java)
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 GUI for Java 未能正确执行某些从已连接后端系统调用的功能的信任级别策略。低权限的攻击者可以通过操控已连接的后端系统来触发受影响的功能，从而利用这一缺陷。这可能导致在受害者的计算机上执行任意命令，进而对受影响系统的机密性、完整性和可用性造成高影响。

CVSS 9.0 · Critical
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I. Basic Information for CVE-2026-66768

Vulnerability Information
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Vulnerability Title
Improper Access Control in SAP NetWeaver (SAP GUI for Java)
Source: CVE Program / CVE List V5
Vulnerability Description
SAP GUI for Java does not correctly enforce the trust level policy for certain functions invoked from a connected backend system. A low-privileged attacker could exploit this weakness by manipulating a connected backend system to trigger affected functionality. This could allow arbitrary command execution on the victim's machine, leading to 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:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在安全决策中依赖未经信任的输入
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
SAP_SE SAP NetWeaver (SAP GUI for Java) BC-FES-JAV 8.10 -

II. Public POCs for CVE-2026-66768

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III. Intelligence Information for CVE-2026-66768

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Vendor Pages for CVE-2026-66768 (1)

Same Patch Batch · SAP_SE · 2026-09-08 · 17 CVEs total

CVE-2026-44756 10.0 CRITICAL Memory Corruption vulnerability in SAP Extended Passport (EPP) Processing
CVE-2026-58240 9.8 CRITICAL Missing Authentication check in SAP NetWeaver (Message Server)
CVE-2026-76969 9.4 CRITICAL Credential disclosure in multitenant applications using SAP Cloud Application Programming
CVE-2026-76958 8.5 HIGH XML External Entity (XXE) Vulnerability in SAP Integration Suite
CVE-2026-76967 7.8 HIGH Insecure Deserialization in SAP NetWeaver Business Client
CVE-2026-66767 7.7 HIGH Memory Corruption vulnerability in SAP NetWeaver Application Server for ABAP and ABAP Plat
CVE-2026-76971 6.5 MEDIUM Server-Side Request Forgery in SAP Manufacturing Integration and Intelligence
CVE-2026-76968 6.5 MEDIUM Information Disclosure vulnerability in SAP Web Dispatcher, Internet Communication Manager
CVE-2026-44766 6.5 MEDIUM SQL Injection vulnerability in SAP S/4HANA (Intercompany Matching and Reconciliation)
CVE-2026-76959 4.6 MEDIUM Cross-Site Request Forgery (CSRF) vulnerability in SAP S/4HANA (Finance for Advanced Payme
CVE-2026-76977 4.3 MEDIUM Clickjacking vulnerability in SAPUI5(Frame Options Allowlist)
CVE-2026-76963 4.3 MEDIUM Missing Authorization Check in Application Server ABAP of SAP NetWeaver and ABAP Platform
CVE-2026-76962 4.3 MEDIUM Missing Authorization check in SAP S/4HANA (Manage Bank Chains app)
CVE-2026-76961 3.5 LOW Cross-Site Request Forgery (CSRF) vulnerability in SAP S/4HANA (Finance for Advanced Payme
CVE-2026-76960 3.5 LOW Cross-Site Request Forgery (CSRF) vulnerability in SAP S/4HANA (Finance for Advanced Payme
CVE-2026-58234 2.2 LOW Denial of Service vulnerability in SAP Process Integration (SOAP Adapter)

IV. Related Vulnerabilities

Same vendor: SAP_SE
Same weakness: CWE-807

V. Comments for CVE-2026-66768

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