CVE-2026-27680

ℹ️ low

Summary

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.

CVSS Score

3.1

Low

EPSS Score

0.0

Exploit Probability

Published Date

2026-05-14

First Seen: 2026-05-17

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 2.1% of all 325,680 vulnerabilities in our database.

#318,853

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: May 14, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

SSVC data provided by CISA

Last Modified 2026-06-03

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-276

📦 Affected Products 2

Vendor	Product	Status	Affected Versions
sap	netweaver_application_server_abap	Affected	v758
sap	netweaver_application_server_abap	Affected	v816

🔗 References 2

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

Permissions Required

https://url.sap/sapsecuritypatchday

Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-27682	🔶 medium	4.7	0.0	Due to a reflected cross-site scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP (Applications based...	2026-05-12
CVE-2026-40135	🔶 medium	6.5	0.1	An OS Command Injection vulnerability exists in the SAP NetWeaver Application Server for ABAP and ABAP Platform that all...	2026-05-12
CVE-2026-34257	🔶 medium	6.1	0.1	Due to an Open Redirect vulnerability in SAP NetWeaver Application Server ABAP, an unauthenticated attacker could craft ...	2026-04-14
CVE-2026-24309	🔶 medium	6.4	0.1	Due to missing authorization check in SAP NetWeaver Application Server for ABAP, an authenticated attacker could execute...	2026-03-10
CVE-2026-24310	ℹ️ low	3.5	0.0	Due to missing authorization check in SAP NetWeaver Application Server for ABAP, an authenticated attacker could execute...	2026-03-10
CVE-2026-24316	🔶 medium	6.4	0.0	SAP NetWeaver Application Server for ABAP provides an ABAP Report for testing purposes, which allows to send HTTP reques...	2026-03-10

These CVEs affect the same products