{"api_version":"1","generated_at":"2026-06-26T20:55:24+00:00","cve":"CVE-2026-47204","urls":{"html":"https://cve.report/CVE-2026-47204","api":"https://cve.report/api/cve/CVE-2026-47204.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-47204","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-47204"},"summary":{"title":"Envoy: grpc_stats filter segfault on Connect protocol requests to direct_response routes","description":"Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.26.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, the envoy.filters.http.grpc_stats filter crashes (null pointer dereference / segfault) when a Connect protocol request (Content-Type: application/connect+proto or application/connect+json) hits a direct_response route. A single unauthenticated HTTP request crashes the Envoy process. This vulnerability is fixed in 1.35.13, 1.36.9, 1.37.5, and 1.38.3.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-06-26 18:16:58","updated_at":"2026-06-26 19:50:17"},"problem_types":["CWE-476","CWE-476 CWE-476: NULL Pointer Dereference"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-3jxh-8p6x-7pf6","name":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-3jxh-8p6x-7pf6","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-47204","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47204","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"envoyproxy","product":"envoy","version":"affected >= 1.38.0, < 1.38.3","platforms":[]},{"source":"CNA","vendor":"envoyproxy","product":"envoy","version":"affected >= 1.37.0, < 1.37.5","platforms":[]},{"source":"CNA","vendor":"envoyproxy","product":"envoy","version":"affected >= 1.36.0, < 1.36.9","platforms":[]},{"source":"CNA","vendor":"envoyproxy","product":"envoy","version":"affected >= 1.26.0, < 1.35.13","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"envoy","vendor":"envoyproxy","versions":[{"status":"affected","version":">= 1.38.0, < 1.38.3"},{"status":"affected","version":">= 1.37.0, < 1.37.5"},{"status":"affected","version":">= 1.36.0, < 1.36.9"},{"status":"affected","version":">= 1.26.0, < 1.35.13"}]}],"descriptions":[{"lang":"en","value":"Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.26.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, the envoy.filters.http.grpc_stats filter crashes (null pointer dereference / segfault) when a Connect protocol request (Content-Type: application/connect+proto or application/connect+json) hits a direct_response route. A single unauthenticated HTTP request crashes the Envoy process. This vulnerability is fixed in 1.35.13, 1.36.9, 1.37.5, and 1.38.3."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476: NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-26T17:37:17.376Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-3jxh-8p6x-7pf6","tags":["x_refsource_CONFIRM"],"url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-3jxh-8p6x-7pf6"}],"source":{"advisory":"GHSA-3jxh-8p6x-7pf6","discovery":"UNKNOWN"},"title":"Envoy: grpc_stats filter segfault on Connect protocol requests to direct_response routes"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-47204","datePublished":"2026-06-26T17:37:17.376Z","dateReserved":"2026-05-18T22:07:37.436Z","dateUpdated":"2026-06-26T17:37:17.376Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-26 18:16:58","lastModifiedDate":"2026-06-26 19:50:17","problem_types":["CWE-476","CWE-476 CWE-476: NULL Pointer Dereference"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"47204","Ordinal":"1","Title":"Envoy: grpc_stats filter segfault on Connect protocol requests t","CVE":"CVE-2026-47204","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"47204","Ordinal":"1","NoteData":"Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.26.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, the envoy.filters.http.grpc_stats filter crashes (null pointer dereference / segfault) when a Connect protocol request (Content-Type: application/connect+proto or application/connect+json) hits a direct_response route. A single unauthenticated HTTP request crashes the Envoy process. This vulnerability is fixed in 1.35.13, 1.36.9, 1.37.5, and 1.38.3.","Type":"Description","Title":"Envoy: grpc_stats filter segfault on Connect protocol requests t"}]}}}