CVE-2026-40128
CriticalCVSS 9.0Exploitation Probability (EPSS)
Low risk37th percentile - higher than 37% of all known CVEs
Summary
SAP NetWeaver Application Server Java (Web Container) allows an unauthenticated attacker to manipulate parameters in an HTTP logon request, enabling path traversal and processing of the included file. This can lead to reading, modifying, or denying access to data.
Risk Assessment
An attacker can access sensitive data, modify it, or cause system unavailability, threatening confidentiality, integrity, and availability.
Recommendation
Apply the patch from SAP. Restrict access to the Web Container and implement input validation.
Other vulnerabilities in SAP NetWeaver Application Server Java
See all- CVE-2026-58235Medium
SAP NetWeaver Application Server Java (Adobe Document Service) uses outdated open source cryptographic and data transfer libraries that contain known vulnerabilities addressed in later versions. A low-privileged authenticated attacker could potentially leverage these weaknesses against the affected component, though no specific exploit is currently known. Successful exploitation could result in low impact on confidentiality, integrity, and availability of the system.
- CVE-2026-44752High
A vulnerability in SAP NetWeaver Application Server Java allows an unauthenticated attacker to inject malicious JavaScript via crafted URLs. When a victim accesses such a URL, the script executes in the user's browser, enabling the attacker to access sensitive session information and modify non-sensitive data displayed in the client's browser.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS