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Review reviewCritical

CVE-2026-44748

SAP_SE SAP NetWeaver AS ABAP and ABAP Platform

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.

CVSS
9.9
EPSS
0.23%
14.1% percentile
CISA KEV
Not listed
Published
2026.06.09
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.23%
Technical severityCVSS 9.9

Vulnerability overview

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 product and versions

Product
SAP_SE SAP NetWeaver AS ABAP and ABAP Platform
Affected versions
>= SAP_BASIS 702, >= SAP_BASIS 731, >= SAP_BASIS 740, >= SAP_BASIS 750, >= SAP_BASIS 751, >= SAP_BASIS 752, >= SAP_BASIS 753, >= SAP_BASIS 754, >= SAP_BASIS 755, >= SAP_BASIS 756, >= SAP_BASIS 757, >= SAP_BASIS 758, >= SAP_BASIS 816, >= SAP_BASIS 918, >= SAP_BASIS 919
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that SAP_SE SAP NetWeaver AS ABAP and ABAP Platform and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE
CWE-347