CVE-2026-27680

LOW

CSS Injection vulnerability in SAP NetWeaver Application Server ABAP

Title source: cna

Description

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.

References (2)

Core 2

Core References

https://me.sap.com/notes/3665042

https://url.sap/sapsecuritypatchday

Scores

CVSS v3 3.1

EPSS 0.0003

EPSS Percentile 9.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-276

Status published

Products (2)

SAP_SE/SAP NetWeaver Application Server ABAP 816

SAP_SE/SAP NetWeaver Application Server ABAP SAP_UI 758

Published May 14, 2026

Tracked Since May 15, 2026