CVE-2026-109803
CriticalCVSS 9.9Summary
SAP NetWeaver Knowledge Management (XML Forms) does not sufficiently restrict the selection of XSL transformations processed by the affected functionality. An authenticated user with access could cause an unauthorized XSL transformation to be processed, potentially leading to arbitrary code execution in the application context.
Risk Assessment
The vulnerability allows an authenticated user to execute arbitrary code in the application context, posing a risk to confidentiality, integrity, and availability.
Recommendation
Apply the SAP patch and restrict access to XML Forms functionality and trusted XSL transformation sources.
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Original NVD description (English source)
SAP NetWeaver Knowledge Management (XML Forms) does not sufficiently restrict the selection of XSL transformations processed by the affected functionality. Under certain conditions, an authenticated user with access to the affected functionality could cause an unauthorized XSL transformation to be processed, potentially leading to arbitrary code execution in the application context. Successful exploitation could impact the confidentiality, integrity, and availability of the application.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

