{"schema_version":1,"title":"Envoy vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 10 vulnerabilities in Envoy: 9 in the last 7 days and 9 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-73553, was published on 21 September 2026. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/envoy","json_url":"https://junglewise.ai/threats/vendors/envoy.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/envoy","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","counts":{"high":6,"all_time":10,"critical":0,"exploited":0,"last_7_days":9,"last_30_days":9,"last_90_days":9,"last_365_days":10},"latest":[{"cve":"CVE-2026-73553","cvss":7.5,"epss":0.0052,"slug":"cve-2026-73553-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy authorization bypass via path parameter inconsistency","severity":"high","exploited":false,"published_at":"2026-09-21T21:17:09.637+00:00","url":"https://junglewise.ai/threats/cve-2026-73553-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"cve":"CVE-2026-73551","cvss":5.3,"epss":0.0055,"slug":"cve-2026-73551-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy path normalization bypass with semicolon parameters","severity":"medium","exploited":false,"published_at":"2026-09-21T21:17:09.473+00:00","url":"https://junglewise.ai/threats/cve-2026-73551-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"cve":"CVE-2026-73552","cvss":7.5,"epss":0.0067,"slug":"cve-2026-73552-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy HTTP RBAC bypass via unsafe regex in headers","severity":"high","exploited":false,"published_at":"2026-09-21T20:17:28.9+00:00","url":"https://junglewise.ai/threats/cve-2026-73552-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"cve":"CVE-2026-73550","cvss":7.5,"epss":0.0088,"slug":"cve-2026-73550-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy HTTP/2 Host header denial of service","severity":"high","exploited":false,"published_at":"2026-09-21T20:17:28.733+00:00","url":"https://junglewise.ai/threats/cve-2026-73550-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"cve":"CVE-2026-73549","cvss":5.3,"epss":0.0061,"slug":"cve-2026-73549-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy scoped IPv6 address parsing denial of service","severity":"medium","exploited":false,"published_at":"2026-09-21T20:17:28.567+00:00","url":"https://junglewise.ai/threats/cve-2026-73549-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"cve":"CVE-2026-73547","cvss":7.5,"epss":0.0083,"slug":"cve-2026-73547-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy null pointer dereference in ext_authz filter","severity":"high","exploited":false,"published_at":"2026-09-21T20:17:28.23+00:00","url":"https://junglewise.ai/threats/cve-2026-73547-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"cve":"CVE-2026-73513","cvss":7.5,"epss":0.0072,"slug":"cve-2026-73513-envoy-proxy-multiple-vulnerabilities","title":"Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's","severity":"high","exploited":false,"published_at":"2026-09-21T20:17:27.82+00:00","url":"https://junglewise.ai/threats/cve-2026-73513-envoy-proxy-multiple-vulnerabilities"},{"cve":"CVE-2026-73512","cvss":7.5,"epss":0.0083,"slug":"cve-2026-73512-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy heap-use-after-free in HttpDatagramHandler","severity":"high","exploited":false,"published_at":"2026-09-21T20:17:27.647+00:00","url":"https://junglewise.ai/threats/cve-2026-73512-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"cve":"CVE-2026-50572","cvss":5.9,"epss":0.0068,"slug":"cve-2026-50572-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy use-after-free in HTTP external-authorization client","severity":"medium","exploited":false,"published_at":"2026-09-21T20:17:25.97+00:00","url":"https://junglewise.ai/threats/cve-2026-50572-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"slug":"envoy-proxy-qpack-decoding-denial-of-service-in-http-3-95f03635","title":"Envoy Proxy QPACK decoding denial-of-service in HTTP/3","severity":"info","exploited":false,"published_at":"2026-06-29T00:00:00+00:00","url":"https://junglewise.ai/threats/envoy-proxy-qpack-decoding-denial-of-service-in-http-3-95f03635"}],"vendor":{"hub":true,"name":"Envoy","slug":"envoy","url":"https://junglewise.ai/threats/vendors/envoy"},"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":9},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-73550","cvss":7.5,"epss":0.0088,"slug":"cve-2026-73550-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy HTTP/2 Host header denial of service","severity":"high","exploited":false,"published_at":"2026-09-21T20:17:28.733+00:00","url":"https://junglewise.ai/threats/cve-2026-73550-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"cve":"CVE-2026-73547","cvss":7.5,"epss":0.0083,"slug":"cve-2026-73547-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy null pointer dereference in ext_authz filter","severity":"high","exploited":false,"published_at":"2026-09-21T20:17:28.23+00:00","url":"https://junglewise.ai/threats/cve-2026-73547-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"cve":"CVE-2026-73512","cvss":7.5,"epss":0.0083,"slug":"cve-2026-73512-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy heap-use-after-free in HttpDatagramHandler","severity":"high","exploited":false,"published_at":"2026-09-21T20:17:27.647+00:00","url":"https://junglewise.ai/threats/cve-2026-73512-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"cve":"CVE-2026-73513","cvss":7.5,"epss":0.0072,"slug":"cve-2026-73513-envoy-proxy-multiple-vulnerabilities","title":"Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's","severity":"high","exploited":false,"published_at":"2026-09-21T20:17:27.82+00:00","url":"https://junglewise.ai/threats/cve-2026-73513-envoy-proxy-multiple-vulnerabilities"},{"cve":"CVE-2026-73552","cvss":7.5,"epss":0.0067,"slug":"cve-2026-73552-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy HTTP RBAC bypass via unsafe regex in headers","severity":"high","exploited":false,"published_at":"2026-09-21T20:17:28.9+00:00","url":"https://junglewise.ai/threats/cve-2026-73552-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"cve":"CVE-2026-73553","cvss":7.5,"epss":0.0052,"slug":"cve-2026-73553-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy authorization bypass via path parameter inconsistency","severity":"high","exploited":false,"published_at":"2026-09-21T21:17:09.637+00:00","url":"https://junglewise.ai/threats/cve-2026-73553-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"cve":"CVE-2026-50572","cvss":5.9,"epss":0.0068,"slug":"cve-2026-50572-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy use-after-free in HTTP external-authorization client","severity":"medium","exploited":false,"published_at":"2026-09-21T20:17:25.97+00:00","url":"https://junglewise.ai/threats/cve-2026-50572-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"cve":"CVE-2026-73549","cvss":5.3,"epss":0.0061,"slug":"cve-2026-73549-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy scoped IPv6 address parsing denial of service","severity":"medium","exploited":false,"published_at":"2026-09-21T20:17:28.567+00:00","url":"https://junglewise.ai/threats/cve-2026-73549-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"cve":"CVE-2026-73551","cvss":5.3,"epss":0.0055,"slug":"cve-2026-73551-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud","title":"Envoy path normalization bypass with semicolon parameters","severity":"medium","exploited":false,"published_at":"2026-09-21T21:17:09.473+00:00","url":"https://junglewise.ai/threats/cve-2026-73551-envoy-is-an-open-source-edge-and-service-proxy-designed-for-cloud"},{"slug":"envoy-proxy-qpack-decoding-denial-of-service-in-http-3-95f03635","title":"Envoy Proxy QPACK decoding denial-of-service in HTTP/3","severity":"info","exploited":false,"published_at":"2026-06-29T00:00:00+00:00","url":"https://junglewise.ai/threats/envoy-proxy-qpack-decoding-denial-of-service-in-http-3-95f03635"}],"generated_at":"2026-09-28T03:07:00.154823+00:00","technologies":[{"name":"Envoy","slug":"envoy-envoy","vulnerabilities":8,"url":"https://junglewise.ai/threats/technologies/envoy-envoy"}]}