{"id":22580,"date":"2026-09-15T08:30:55","date_gmt":"2026-09-15T00:30:55","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-53718"},"modified":"2026-09-15T08:30:55","modified_gmt":"2026-09-15T00:30:55","slug":"cve-2026-53718","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-53718","title":{"rendered":"CVE-2026-53718 [MEDIUM] &#8211; Envoy Gateway is an open source project for managing Envoy Proxy as a standalone or Kubern"},"content":{"rendered":"<p>Envoy Gateway is an open source project for managing Envoy Proxy as a standalone or Kubernetes-based application gateway. Prior to 1.7.4 and 1.8.1, an HTTPRoute can use an extension-managed custom backendRef to reference a backend resource in another namespace without a matching Gateway API ReferenceGrant in the target namespace. The custom-backend branch in internal\/gatewayapi\/route.go omits validateBackendNamespace, allowing the route-owning namespace to bind to and use the resource without the backend namespace owner&#8217;s consent and violating the Gateway API cross-namespace authorization model. This issue is fixed in versions 1.7.4 and 1.8.1.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Envoy Gateway is an open source project for managing Envoy Proxy as a standalone or Kubernetes-based application gateway. Prior to 1.7.4 and 1.8.1, an HTTPRoute can use an extension-managed custom bac<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-22580","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/22580","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=22580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=22580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=22580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}