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CVE-2026-44748 is a critical XML Signature Wrapping vulnerability in SAP NetWeaver Application Server ABAP and ABAP Platform affecting signed XML processing in SAML authentication workflows. An authenticated attacker with low or normal privileges can obtain a valid signed XML message and submit a modified XML document to the verifier in a way that the signature check succeeds while the application processes tampered identity content. The issue is consistent with improper verification of cryptographic signatures, where a signed XML element is validated but a different attacker-controlled element is consumed by application logic. Successful exploitation can cause acceptance of falsified identity information and undermine trust in signed authentication assertions.
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No public exploit code observed for this vulnerability.
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25 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Critical authentication bypass vulnerability in the SAML authentication mechanism of SAP NetWeaver Application Server ABAP.
One of several critical SAP NetWeaver vulnerabilities that can expose environments to unauthorized access, memory corruption, data exposure, or service disruption.
Critical vulnerability in SAP NetWeaver Application Server ABAP and ABAP Platform that allows a low-privileged authenticated remote attacker to obtain a valid signed message and use it to submit modified XML documents, leading to unauthorized access to sensitive user data and full compromise of confidentiality, integrity, and availability.
An XML Signature Wrapping vulnerability in SAML Authentication affecting SAP NetWeaver AS ABAP and ABAP Platform that could allow tampered XML documents to be accepted, leading to unauthorized access to sensitive data and privilege escalation.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.