SAP NetWeaver ABAP Memory Corruption via DIAG Parsing
CVE-2026-34265 Published on August 11, 2026

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

NVD

Vulnerability Analysis

CVE-2026-34265 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Memory Corruption Vulnerability?

The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.

CVE-2026-34265 has been classified to as a Memory Corruption vulnerability or weakness.


Products Associated with CVE-2026-34265

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SAP NetWeaver
 

Affected Versions

SAP_SE SAP NetWeaver and ABAP Platform: