CVE-2026-27682 Cross-site scripting in SAP NetWeaver Application Server ABAP (Applications based on Business Server Pages)
An unauthenticated attacker can execute malicious scripts in a victim's browser via a crafted URL, compromising data confidentiality and integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-27682?
CVE-2026-27682 is a medium-severity cross-site scripting vulnerability in Sap Netweaver Application Server Abap, published on 12 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2026-27682?
It affects 1 product.
Products include Sap Netweaver Application Server Abap.
How do I fix CVE-2026-27682?
No fix has been published for CVE-2026-27682 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-27682 being exploited?
There is no known exploitation of CVE-2026-27682 in the wild and no public exploit code.
Other vulnerabilities in Sap Netweaver Application Server Abap
- CVE-2026-0488 Code Injection vulnerability in SAP CRM and SAP S/4HANA (Scripting Editor)
- CVE-2021-40499 Code injection in SAP NetWeaver Application Server for ABAP (SAP Cloud Print Manager and SAPSprint)
- CVE-2023-27269 Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform
- CVE-2023-27500 Directory Traversal vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform
- CVE-2023-0014 Capture-replay vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform
Sources
Also known as GHSA-xj8w-vw8m-px5f.