{"schema_version":1,"title":"Envoy vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 8 vulnerabilities in Envoy: 8 in the last 7 days and 8 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.","url":"https://junglewise.ai/threats/technologies/envoy-envoy","json_url":"https://junglewise.ai/threats/technologies/envoy-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/technologies/envoy-envoy","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":5,"all_time":8,"critical":0,"exploited":0,"last_7_days":8,"last_30_days":8,"last_90_days":8,"last_365_days":8},"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-2026-73512","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"}],"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":8},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Envoy","slug":"envoy-envoy","vendor":{"name":"Envoy","slug":"envoy","url":"https://junglewise.ai/threats/vendors/envoy"},"aliases":[],"category":"service-proxy","description":"Service proxy providing load balancing and communication infrastructure for microservices.","url":"https://junglewise.ai/threats/technologies/envoy-envoy"},"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-2026-73552","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"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}