CVE-2026-44748
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SAP NetWeaver XML Signature Wrapping Vulnerability

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: SAP SE

Description
SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information leading to unauthorized access to sensitive user data and potential disruption of normal system usage. This causes a high impact on confidentiality, integrity and availability of the application.
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Meta Information
Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-09
AI Q&A
2026-06-09
EPSS Evaluated
N/A
NVD
CVE-2026-44748
EUVD
EUVD-2026-35283
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
sap netweaver_application_server_abap *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-347 The product does not verify, or incorrectly verifies, the cryptographic signature for data.
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Executive Summary

This vulnerability exists in SAP NetWeaver Application Server ABAP and ABAP Platform. It allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier.

As a result, the system may accept tampered identity information, which can lead to unauthorized access to sensitive user data and potential disruption of normal system usage.

Impact Analysis

The vulnerability can have a high impact on the confidentiality, integrity, and availability of the affected application.

  • Unauthorized access to sensitive user data.
  • Acceptance of tampered identity information.
  • Potential disruption of normal system usage.
Compliance Impact

This vulnerability allows an authenticated attacker to send modified signed XML documents that may lead to unauthorized access to sensitive user data. Such unauthorized access and potential data tampering can result in violations of confidentiality, integrity, and availability requirements.

Because of the high impact on confidentiality and integrity of sensitive user data, this vulnerability could negatively affect compliance with common standards and regulations such as GDPR and HIPAA, which mandate strict protection of personal and sensitive information.

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