CVE-2025-66286 — Webkitgtk: authorization bypass through webpage::send-request signal handler
An API design flaw in WebKitGTK and WPE WebKit allows untrusted web content to unexpectedly perform IP connections, DNS lookups, and HTTP requests. Applications expect to use th…
Published: 2026-04-23 · CVSS: 4.7 · CVSS 3.1
An API design flaw in WebKitGTK and WPE WebKit allows untrusted web content to unexpectedly perform IP connections, DNS lookups, and HTTP requests. Applications expect to use the WebPage::send-request signal handler to approve or reject all network requests. However, certain types of HTTP requests bypass this signal handler.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7