How severe is CVE-2026-27682?

CVE-2026-27682 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-27682 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27682?

CVE-2026-27682 primarily affects Sap Netweaver Application Server Abap. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-27682?

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

Does CVE-2026-27682 have an EU (EUVD) identifier?

Yes. CVE-2026-27682 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29370.

When was CVE-2026-27682 published?

CVE-2026-27682 was published on 2026-05-12 and last updated on 2026-06-17.

CVE-2026-27682

CVE-2026-27682 is a medium-severity vulnerability in Sap Netweaver Application Server Abap with a CVSS 3.x base score of 4.7. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29370
Weakness: CWE-79
Affected product: Sap Netweaver Application Server Abap
Published: 2026-05-12
Last modified: 2026-06-17

Description

Due to a reflected cross-site scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP (Applications based on Business Server Pages), an unauthenticated attacker could craft a URL that exploits an unprotected URL parameter to embed a malicious script. If a victim clicks the link, the injected input is processed during web page generation, resulting in the execution of malicious content in the victim�s browser context. This could allow the attacker to access and/or modify information, impacting the confidentiality and integrity of the application, with no impact to availability.

Frequently asked questions

What is CVE-2026-27682?: Due to a reflected cross-site scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP (Applications based on Business Server Pages), an unauthenticated attacker could craft a URL that exploits an unprotected URL parameter to embed a malicious script. If a victim clicks the link, the injected input is processed during web page generation, resulting in the execution of malicious content in the victim�s browser context. This could allow the attacker to access and/or modify information, impacting the confidentiality and integrity of the application, with no impact to availability.
How severe is CVE-2026-27682?: CVE-2026-27682 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-27682 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27682?: CVE-2026-27682 primarily affects Sap Netweaver Application Server Abap. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-27682?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27682 have an EU (EUVD) identifier?: Yes. CVE-2026-27682 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29370.
When was CVE-2026-27682 published?: CVE-2026-27682 was published on 2026-05-12 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:a:sap:netweaver_application_server_abap:700:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:701:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:702:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:731:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:740:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:750:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:751:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:752:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:753:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:754:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:755:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:756:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:757:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:758:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:816:*:*:*:sap_basis:*:*:*
cpe:2.3:a:sap:netweaver_application_server_abap:918:*:*:*:sap_basis:*:*:*

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