CVE-2026-44748
CVE-2026-44748 is a critical vulnerability in SAP NetWeaver Application Server ABAP and ABAP Platform. An authenticated attacker with normal privileges can obtain a valid signed message and send tampered signed XML documents to a verifier, which may lead to acceptance of altered identity information. This can result in unauthorized access to sensitive user data and disruption of system usage, with high impacts on confidentiality, integrity, and availability.
No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.
Who is affected
SAP NetWeaver Application Server ABAP and ABAP Platform (specific versions not listed in the provided data).
Real-world impact
Attackers could impersonate users, access confidential data, and disrupt normal operations of affected SAP systems.
Why this severity
The CVSS v3.1 base score is 9.9 (Critical) due to low attack complexity, no user interaction required, low privileges needed, and high impacts on confidentiality, integrity, and availability.
What to do about it
No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.
No fix documented in sources
Timeline
- Jun 9, 2026 · Jun 9, 2026PublishedDisclosed and added to the National Vulnerability Database.
- Jul 23, 2026 · 12d agoAdvisory updatedThe NVD record was last revised.