Advisory

A note with CVSS 4.3 for component BC-MID-ICF was released by SAP on 12.05.2026. The correction/advisory 3735359 was described with "3735359 - [CVE-2026-40129] Code Injection vulnerability in SAP Application Server ABAP for SAP NetWeaver and ABAP Platform" and affects the system type ABAP.

A workaround exists, according to SAP Security Advisory team. It is advisable to implement the correction as monthly patch process.

The vulnerability addressed is code injection within ABAP.

Missing authority checks are still the most common security defect related to authorizations in custom code. Since SAP uses an explicit authorization model, an authority checks must be coded in order to be executed. If an explicit check is not coded, all users have access. This type of vulnerability not only exists in SAP standard it also exists in customer coding. Check your custom developments for vulnerabilities that pose a risk to your systems. SecurityBridge helps detect code vulnerabilities before they are implemented in production.

Risk specification

SAP NetWeaver Application Server ABAP allows an authenticated attacker to inject code via specially crafted inputs to a ping channel, resulting in unauthorized code execution for other channel subscribers.

Solution

Strict input validation has been enforced on the ping functionality of the affected ICF channel, preventing code injection via crafted inputs. Although an alternative solution exists, it is advisable to apply the correction! This is the workaround, which was suggested by the SAP security experts: "Disabling the ICF service /sap/bc/apc_test/ping.".

Affected System

The advisory 3735359 describes a problem within an ABAP based systems of a specific version. Affected versions are described below. ABAP software is deployed in various software components and is widely used within the SAP product portfolio.

SAP NetWeaver Application Server (formally known as SAP Web Application Server) is a building block of SAP NetWeaver. It is the foundation for most software products developed by SAP SE. SAP NetWeaver systems exist with Java and/or ABAP stacks. The advisory could be relevant for single and dual-stack ABAP installations.

The advisory is valid for

SAP_BASIS 740 ¹¹⁸
SAP_BASIS 750-816 ²⁰

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Notifications

Advisory

Risk specification

Solution

Affected System

Disclaimer