Advisory

SAP takes the security of its vast product portfolio very seriously and thus releases security fixes for vulnerabilities reported by external researchers and their customers every second Tuesday of the month.

SAP Note 3719397 was released on 14.04.2026 and deals with "3719397 - [CVE-2026-27674] Code Injection vulnerability in SAP NetWeaver Application Server Java (Web Dynpro Java)" within Java. We advice you to follow the instructions, to resolve code injection with a medium potential for exploitation in component BC-WD-JAV.

According to SAP Security Advisory team a workaround does not exist. It is advisable to implement the correction as part of maintenance.

Risk specification

SAP NetWeaver Application Server Java (Web Dynpro Java) allows an unauthenticated attacker to inject code when clickjacking protection is enabled due to the use of absolute paths in server resource references, potentially resulting in compromise of the victim's browser session.

Solution

The vulnerability has been resolved by replacing absolute paths with relative paths when referencing server resources, thereby eliminating the injection vector.

Affected System

SAP Netweaver Application Server Java is part of the SAP NetWeaver Application Platform. It provides the complete infrastructure for deploying and running Java applications.

The AS Java Home: SAP Netweaver Application Server Java wiki
A dedicated SAP NetWeaver 7.40 Application Server for Java Security Guide exists.

The advisory is valid for

WD-RUNTIME 7.50 ⁶

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Disclaimer

SecurityBridge takes the security of SAP products very seriously. We very much encourage the responsible disclosure of security vulnerabilities. If you have detected a vulnerability concerning one of the SAP software products – either in the latest or in a former product version follow the guidelines and processes in accordance with the SAP portal page “Report a Security Vulnerability to SAP”.

The advisories found within the SecurityBridge advisory are generated and continuously enriched by our Team at SecurityBridge and affiliated security consultants, partners, customers of the SecurityBridge Platform, SAP support, and advisory groups.

We do not disclose zero-day vulnerabilities unless a security patch has been made available to the public. In such case, the platform only provides details on which version or signature updates are available within the SecurityBridge platform in order to monitor or measure the vulnerability.

In accordance with SAP guidelines, SecurityBridge only discloses issues where the fixing security note has been released. The vulnerability platform makes no references to available exploits or Proof of Concepts (PoC). Advisories and vulnerabilities will always mention the fixing security note or hints to the corresponding SAP documentation.

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Notifications

Advisory

Risk specification

Solution

Affected System

Disclaimer