How severe is CVE-2026-27680?

CVE-2026-27680 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-27680 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27680?

CVE-2026-27680 primarily affects Sap Netweaver Application Server Abap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-27680?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-27680 have an EU (EUVD) identifier?

Yes. CVE-2026-27680 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30363.

When was CVE-2026-27680 published?

CVE-2026-27680 was published on 2026-05-14 and last updated on 2026-06-17.

CVE-2026-27680

CVE-2026-27680 is a low-severity vulnerability in Sap Netweaver Application Server Abap with a CVSS 3.x base score of 3.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30363
Weakness: CWE-276
Affected product: Sap Netweaver Application Server Abap
Published: 2026-05-14
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-27680?: 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.
How severe is CVE-2026-27680?: CVE-2026-27680 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-27680 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27680?: CVE-2026-27680 primarily affects Sap Netweaver Application Server Abap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-27680?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27680 have an EU (EUVD) identifier?: Yes. CVE-2026-27680 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30363.
When was CVE-2026-27680 published?: CVE-2026-27680 was published on 2026-05-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:sap:netweaver_application_server_abap:758:*:*:*:sap_ui:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:816:*:*:*:*:*:*:*

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