static WindowOpenDisposition NavigationPolicyToDisposition(
    WebNavigationPolicy policy) {
  switch (policy) {
    case WebKit::WebNavigationPolicyIgnore:
      return IGNORE_ACTION;
    case WebKit::WebNavigationPolicyDownload:
      return SAVE_TO_DISK;
    case WebKit::WebNavigationPolicyCurrentTab:
      return CURRENT_TAB;
    case WebKit::WebNavigationPolicyNewBackgroundTab:
      return NEW_BACKGROUND_TAB;
    case WebKit::WebNavigationPolicyNewForegroundTab:
      return NEW_FOREGROUND_TAB;
    case WebKit::WebNavigationPolicyNewWindow:
      return NEW_WINDOW;
    case WebKit::WebNavigationPolicyNewPopup:
      return NEW_POPUP;
  default:
    NOTREACHED() << "Unexpected WebNavigationPolicy";
    return IGNORE_ACTION;
  }
}

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.