XSS in Google @A2ui/web_core

CVE-2026-10032

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 acti…

Vulnerability class: XSS (Cross-Site Scripting)

Affected products

Weakness classification (CWE)

References