CVE-2026-47220

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This vulnerability is fixed in 1.37.5 and 1.38.3."}], "source": {"advisory": "GHSA-j9wh-4qfm-wf2v", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-j9wh-4qfm-wf2v", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-29T13:26:27.302143Z", "id": "CVE-2026-47220", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-29T13:26:30.243Z"}}, {"affected": [{"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:service_mesh:2"], "defaultStatus": "unaffected", "packageName": "openshift-service-mesh/proxyv2-rhel9", "product": "OpenShift Service Mesh 2", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:service_mesh:3"], "defaultStatus": "unaffected", "packageName": "openshift-service-mesh/istio-proxyv2-rhel9", "product": "OpenShift Service Mesh 3", "vendor": "Red Hat"}], "datePublic": "2026-06-26T18:02:17.679Z", "descriptions": [{"lang": "en", "value": "A flaw was found in Envoy. A remote attacker can exploit this vulnerability by sending a request with a missing host header when the `%REQUESTED_SERVER_NAME(X:Y)%` is used in the log format and host-related options, such as HOST_FIRST or SNI_FIRST, are specified. 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