CVE-2026-44748

CRITICALCVSS 9.9/10EPSS 0.23%

Last modified

CVE-2026-44748 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. 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. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.9/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
0.23%

14.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
SAP_SESAP NetWeaver AS ABAP and ABAP PlatformSAP_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

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-44748?
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.
How severe is CVE-2026-44748?
CVE-2026-44748 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.
How do I fix CVE-2026-44748?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST