1 files changed, 6 insertions, 0 deletions
diff --git a/chromium/content/browser/renderer_host/render_frame_host_impl.cc b/chromium/content/browser/renderer_host/render_frame_host_impl.cc
index d5745cea447..83789e10899 100644
--- a/chromium/content/browser/renderer_host/render_frame_host_impl.cc
+++ b/chromium/content/browser/renderer_host/render_frame_host_impl.cc
@@ -10521,6 +10521,12 @@ void RenderFrameHostImpl::CreateWebUsbService(
     mojo::ReportBadMessage("Permissions policy blocks access to USB.");
     return;
   }
+  if (GetOutermostMainFrame()->GetLastCommittedOrigin().opaque()) {
+    mojo::ReportBadMessage(
+        "WebUSB is not allowed when the top-level document has an opaque "
+        "origin.");
+    return;
+  }
   BackForwardCache::DisableForRenderFrameHost(
       this, BackForwardCacheDisable::DisabledReason(
                 BackForwardCacheDisable::DisabledReasonId::kWebUSB));