CVE-2026-34265
Received Received - Intake

Memory Corruption in SAP NetWeaver Application Server ABAP

Publication date: 2026-08-11

Last updated on: 2026-08-11

Assigner: SAP SE

Description
SAP NetWeaver Application Server ABAP allows an unauthenticated attacker to exploit logical errors in DIAG protocol parsing, resulting in memory corruption. This vulnerability could potentially disclose sensitive system information or crash the system, leading to a high impact on the confidentiality, integrity, and availability of the application.

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Meta Information

Published
2026-08-11
Last Modified
2026-08-11
Generated
2026-08-11
AI Q&A
2026-08-11
EPSS Evaluated
N/A
NVD
CVE-2026-34265
EUVD
EUVD-2026-55859

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
sap netweaver_application_server_abap *

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

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Executive Summary

SAP NetWeaver Application Server ABAP has a vulnerability where an unauthenticated attacker can exploit logical errors in the DIAG protocol parsing. This leads to memory corruption, which may result in sensitive system information being disclosed or the system crashing. The impact is high on confidentiality, integrity, and availability of the application.

Impact Analysis

This vulnerability could allow attackers to access sensitive system information or cause the system to crash. This may lead to data breaches, service disruptions, or unauthorized access to critical application functions, affecting the overall security and reliability of the SAP system.

Compliance Impact

This vulnerability could lead to unauthorized disclosure of sensitive data, which may violate compliance requirements under GDPR, HIPAA, or other regulations. A breach could result in legal penalties, loss of trust, and reputational damage due to non-compliance with data protection standards.

Mitigation Strategies

Apply SAP security notes or patches addressing DIAG protocol parsing issues. Monitor SAP NetWeaver logs for unusual activity. Restrict network access to SAP systems via firewalls. Consult SAP security advisories for specific mitigation steps.

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