Vulnerability · Published May 14, 2026 · Assigned by sap

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

Low 3.1

In plain English

A low-severity incorrect default permissions in SAP NetWeaver Application Server ABAP from SAP_SE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)0.2%top 93.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
SAP_SE SAP NetWeaver Application Server ABAP SAP_UI 758816

Weakness: CWE-276 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

References