CVE-2026-40128— Directory Traversal vulnerability in SAP NetWeaver Application Server Java (Web Container)
Quick assessment
Affected
SAP_SE SAP NetWeaver Application Server Java (Web Container)
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 Application Server Java是德国思爱普（SAP）公司的一款提供了Java运行环境的应用程序服务器。该产品主要用于开发和运行Java EE应用程序。 SAP NetWeaver Application Server Java存在安全漏洞，该漏洞源于Web Container组件中文件包含参数处理不当，可能导致未经身份验证的攻击者通过特制HTTP登录请求实现路径遍历并处理包含文件，从而查看或修改敏感信息或使本地系统部分不可用。
Possible ATT&CK Techniques 3 AI
T1083 · File and Directory Discovery T1190 · Exploit Public-Facing Application T1530 · Data from Cloud StorageAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| SAP_SE | SAP NetWeaver Application Server Java (Web Container) | ENGINEAPI 7.50 |
affected |
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I. Basic Information for CVE-2026-40128
Vulnerability Information
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Vulnerability Title
Directory Traversal vulnerability in SAP NetWeaver Application Server Java (Web Container)
Source: CVE Program / CVE List V5
Vulnerability Description
SAP NetWeaver Application Server Java (Web Container) allows an unauthenticated attacker to craft a malicious HTTP logon request that manipulates file inclusion parameters, enabling path traversal and processing of the included file. Processing the included file could allow the attacker to view or modify sensitive information or render any part of the local system unavailable.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
路径遍历：’…/…//’
Source: CVE Program / CVE List V5
Vulnerability Title
SAP NetWeaver Application Server Java 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAP NetWeaver Application Server Java是德国思爱普（SAP）公司的一款提供了Java运行环境的应用程序服务器。该产品主要用于开发和运行Java EE应用程序。 SAP NetWeaver Application Server Java存在安全漏洞，该漏洞源于Web Container组件中文件包含参数处理不当，可能导致未经身份验证的攻击者通过特制HTTP登录请求实现路径遍历并处理包含文件，从而查看或修改敏感信息或使本地系统部分不可用。
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 Application Server Java (Web Container) | ENGINEAPI 7.50 | - |
|
II. Public POCs for CVE-2026-40128
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Pages for CVE-2026-40128 (1)
Same Patch Batch · SAP_SE · 2026-06-09 · 12 CVEs total
| CVE-2026-44748 | 9.9 CRITICAL | XML Signature Wrapping in SAML Authentication in SAP NetWeaver AS ABAP and ABAP Platform |
| CVE-2026-27671 | 9.8 CRITICAL | Memory Corruption vulnerability in Application Server ABAP of SAP NetWeaver and ABAP Platf |
| CVE-2026-44751 | 7.1 HIGH | Missing Authorization check in Application Server ABAP of SAP NetWeaver and ABAP Platform |
| CVE-2026-44754 | 6.6 MEDIUM | Missing caller identification check-in for ODP Data Replication APIs |
| CVE-2026-44744 | 6.5 MEDIUM | SQL Injection vulnerability in SAP S/4HANA |
| CVE-2026-44746 | 6.1 MEDIUM | Reflected Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver AS Java (JDBC Test Ser |
| CVE-2026-44757 | 4.7 MEDIUM | Cross-Site Scripting (XSS) vulnerability in SAP Wily Introscope Enterprise Manager |
| CVE-2026-44750 | 4.3 MEDIUM | Missing Authorization check in SAP MDG (Review Match Groups Application) |
| CVE-2026-44755 | 4.3 MEDIUM | Email Spoofing vulnerability in SAP Business Objects Business Intelligence Platform |
| CVE-2026-24315 | 4.2 MEDIUM | Path Traversal Vulnerability in SAP Fiori (launchpad) |
| CVE-2026-44743 | 3.7 LOW | Security Misconfiguration vulnerability in SAP Business Objects |
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V. Comments for CVE-2026-40128
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