CVE-2026-27680: CSS Injection vulnerability in SAP NetWeaver Application Server ABAP

Published May 14, 2026
·
Updated

Due to improper input handling under certain conditions, SAP NetWeaver Application Server ABAP allows an attacker to inject custom Cascading Style Sheets (CSS) data into a web page served by the application. When a user accesses or clicks the affected page, the injected CSS is executed. As a result, the issue has a low impact on confidentiality, while integrity and availability are not impacted.

Affected Software

1 affected component
SAP NetWeaver Application Server ABAP

Event History

May 14, 2026
CVE Published
via MITRE·06:33 PM
Data Sourced
via MITRE·06:33 PM
DescriptionSeverity
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-27680?

CVE-2026-27680 is considered a medium severity vulnerability due to its potential impact on user experience and website integrity.

2

How do I fix CVE-2026-27680?

To fix CVE-2026-27680, ensure proper input validation and sanitization for CSS input in your SAP NetWeaver Application Server ABAP environment.

3

What systems are affected by CVE-2026-27680?

CVE-2026-27680 affects the SAP NetWeaver Application Server ABAP due to improper input handling.

4

What potential risks are associated with CVE-2026-27680?

The risks associated with CVE-2026-27680 include unauthorized style manipulation leading to phishing attacks or website defacement.

5

How can I prevent CVE-2026-27680 from being exploited?

Prevent CVE-2026-27680 exploitation by implementing strict input validation and regularly updating your SAP NetWeaver Application Server ABAP software.

Contact

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