CVE-2026-66767

Memory Corruption vulnerability in SAP NetWeaver Application Server for ABAP and ABAP Platform

Published Sep 8, 2026 CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
Description
SAP NetWeaver Application Server for ABAP and ABAP Platform allows an unauthenticated user to send a specially crafted packet that triggers reprocessing of a previously buffered user request, potentially hijacking another user's session under narrow timing conditions. Successful exploitation could result in high impact on confidentiality and integrity, with low impact on availability of the application.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Sap Se
Sap Se sap Netweaver Application Server Abap And Abap Platform
Vendors & Products Sap Se
Sap Se sap Netweaver Application Server Abap And Abap Platform
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description SAP NetWeaver Application Server for ABAP and ABAP Platform allows an unauthenticated user to send a specially crafted packet that triggers reprocessing of a previously buffered user request, potentially hijacking another user's session under narrow timing conditions. Successful exploitation could result in high impact on confidentiality and integrity, with low impact on availability of the application.
Title Memory Corruption vulnerability in SAP NetWeaver Application Server for ABAP and ABAP Platform
Weaknesses CWE-191
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
sap
Published
Updated
Sep 9, 2026, 4:25 AM
Reserved
Jul 27, 2026, 5:33 PM
Status
Awaiting Analysis
Published
Sep 8, 2026, 1:17 AM
Modified
Sep 9, 2026, 5:17 AM