TI-2026-22057 Aliases CVE-2026-27680 GHSA-4wqv-v86p-8q8g

CSS Injection vulnerability in SAP NetWeaver Application Server ABAP

LOW 19CWE-276Published 2026-05-14 · Updated 2026-05-14

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Low · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00173 6th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
SAP	SAP NetWeaver Application Server ABAP	SAP_UI 758; 816	—	No fix listed	CNA

SAP NetWeaver Application Server ABAP VendorSAP Affected SAP_UI 758; 816 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:sap:netweaver_application_server_abap:758::::sap_ui:::	758	Vulnerable	SAP
cpe:2.3:a:sap:netweaver_application_server_abap:816:::::::*	816	Vulnerable	SAP

cpe:2.3:a:sap:netweaver_application_server_abap:758:*:*:*:sap_ui:*:*:* Versions 758 Vulnerable ·SAP
cpe:2.3:a:sap:netweaver_application_server_abap:816:*:*:*:*:*:*:* Versions 816 Vulnerable ·SAP

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-27680
2026-10-03 Alias added: GHSA-4wqv-v86p-8q8g

References

Advisory 1

https://url.sap/sapsecuritypatchday

Other 1

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

TI-2022-06811 SAP NetWeaver Application Server ABAP, SAP NetWeaver Application Server Java, ABAP… KEVCVSS 3.1CRITICAL 10.0
TI-2023-21149 Missing Authorization check in SAP CommonCryptoLib CVSS 3.1CRITICAL 9.8
TI-2023-12229 Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform CVSS 3.1CRITICAL 9.6
TI-2023-12228 Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform CVSS 3.1CRITICAL 9.6
TI-2021-19921 Code injection in SAP ABAP Server & ABAP Platform CVSS 3.1CRITICAL 9.8
TI-2021-09062 Improper authentication in SAP NetWeaver AS ABAP and ABAP Platform CVSS 3.1CRITICAL 9.8

See all 85 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences