Vulnerability Description
The openUrl function in @a2ui/web_core passes an agent-controlled URL directly to window.open() without validating the URI scheme. A malicious agent can supply a javascript: URI as the url argument of a Button component's functionCall action. When the user clicks the rendered button, arbitrary JavaScript executes in the victim application's browser origin, constituting a stored/reflected XSS with Critical severity. No non-default configuration is required; the Basic Catalog is enabled by default.
Related Weaknesses (CWE)
References
FAQ
What is CVE-2026-10032?
CVE-2026-10032 is a documented vulnerability. The openUrl function in @a2ui/web_core passes an agent-controlled URL directly to window.open() without validating the URI scheme. A malicious agent can supply a javascript: URI as the url argument of...
How severe is CVE-2026-10032?
CVSS scoring is not yet available for CVE-2026-10032. Check NVD for updates.
Is there a patch for CVE-2026-10032?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.