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CVE-2026-76967— Insecure Deserialization in SAP NetWeaver Business Client

Quick assessment

Affected
SAP_SE SAP NetWeaver Business Client
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 NetWeaver Business Client是德国SAP公司的一款企业级业务客户端软件。 SAP NetWeaver Business Client BC-WD-CLT-BUS 8.00版本和8.10版本存在反序列化注入漏洞，该漏洞源于应用启动处理某些本地存储数据时验证不足，低权限攻击者可替换为特制内容，可能导致在用户环境中执行任意代码，影响应用的机密性、完整性和可用性。

CVSS 7.8 · High EPSS 0.36% · P29

Affected Version Matrix 2

VendorProduct Version RangeStatus
SAP_SE SAP NetWeaver Business Client BC-WD-CLT-BUS 8.00 affected
8.10 affected
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I. Basic Information for CVE-2026-76967

Vulnerability Information
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Vulnerability Title
Insecure Deserialization in SAP NetWeaver Business Client
Source: CVE Program / CVE List V5
Vulnerability Description
SAP NetWeaver Business Client does not perform sufficient validation when processing certain locally stored data during application startup. An attacker with low privileges on the local system could replace this data with specially crafted content. When the application is next launched, the crafted content is processed and could lead to arbitrary code execution in the context of the user. This results in a high impact on confidentiality, integrity and availability of the application.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
SAP NetWeaver Business Client 反序列化注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAP NetWeaver Business Client是德国SAP公司的一款企业级业务客户端软件。 SAP NetWeaver Business Client BC-WD-CLT-BUS 8.00版本和8.10版本存在反序列化注入漏洞，该漏洞源于应用启动处理某些本地存储数据时验证不足，低权限攻击者可替换为特制内容，可能导致在用户环境中执行任意代码，影响应用的机密性、完整性和可用性。
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 NetWeaver Business Client BC-WD-CLT-BUS 8.00 -

II. Public POCs for CVE-2026-76967

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III. Intelligence Information for CVE-2026-76967

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Vendor Pages for CVE-2026-76967 (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-2026-66768 9.0 CRITICAL Improper Access Control in SAP NetWeaver (SAP GUI for Java)
CVE-2026-76958 8.5 HIGH XML External Entity (XXE) Vulnerability in SAP Integration Suite
CVE-2026-66767 7.7 HIGH Memory Corruption vulnerability in SAP NetWeaver Application Server for ABAP and ABAP Plat
CVE-2026-76968 6.5 MEDIUM Information Disclosure vulnerability in SAP Web Dispatcher, Internet Communication Manager
CVE-2026-76971 6.5 MEDIUM Server-Side Request Forgery in SAP Manufacturing Integration and Intelligence
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-2026-76962 4.3 MEDIUM Missing Authorization check in SAP S/4HANA (Manage Bank Chains app)
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-2026-76961 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-502

V. Comments for CVE-2026-76967

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