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PatchSiren cyber security CVE debrief

CVE-2026-44748 SAP_SE CVE debrief

A critical vulnerability was discovered in SAP NetWeaver Application Server ABAP and ABAP Platform. An authenticated attacker with normal privileges can obtain a valid signed message and send modified signed XML documents to the verifier, potentially leading to unauthorized access to sensitive user data and disruption of normal system usage.

Vendor
SAP_SE
Product
SAP NetWeaver AS ABAP and ABAP Platform
CVSS
CRITICAL 9.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-09
Advisory published
2026-06-09
Advisory updated
2026-06-09

Who should care

Administrators and users of SAP NetWeaver Application Server ABAP and ABAP Platform should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability has a CVSS score of 9.9 and is classified as CRITICAL. It allows an authenticated attacker to obtain a valid signed message and send modified signed XML documents to the verifier, potentially leading to unauthorized access to sensitive user data and disruption of normal system usage.

Defensive priority

high

Recommended defensive actions

  • Apply the necessary patches and updates to SAP NetWeaver Application Server ABAP and ABAP Platform.
  • Restrict access to sensitive data and systems.
  • Monitor system usage and logs for potential suspicious activity.

Evidence notes

The vulnerability was reported by an unknown vendor and has a low confidence level.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-44748 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-44748

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-44748 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-44748

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.