What’s Vulnerable › Vulnerabilities

CVE-2026-44748: XML Signature Wrapping in SAML Authentication in SAP NetWeaver AS ABAP and ABAP Platform

• Severity: critical (CVSS 9.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-09 · updated 2026-07-23
• Weakness: CWE-347

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.

Affected products

• SAP_SE SAP NetWeaver Application Server for ABAP and ABAP Platform: SAP_BASIS 702, SAP_BASIS 731, SAP_BASIS 740, SAP_BASIS 750, SAP_BASIS 751, SAP_BASIS 752 (+9)

References

• https://me.sap.com/notes/3746332
• https://url.sap/sapsecuritypatchday

Get alerted when CVE-2026-44748 or the next vulnerability affects your stack