{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-50572", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-04T21:34:34.427Z", "datePublished": "2026-09-21T19:32:00.008Z", "dateUpdated": "2026-09-21T19:32:00.008Z"}, "containers": {"cna": {"title": "Envoy: ext_authz - RawHttpClientImpl onSuccess 0x0 segfault", "problemTypes": [{"descriptions": [{"cweId": "CWE-416", "lang": "en", "description": "CWE-416: Use After Free", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-q8wp-gf7q-m8cv", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-q8wp-gf7q-m8cv"}, {"name": "https://github.com/envoyproxy/envoy/commit/8dacef38337aeffd62866b5c5910104b63b33db8", "tags": ["x_refsource_MISC"], "url": "https://github.com/envoyproxy/envoy/commit/8dacef38337aeffd62866b5c5910104b63b33db8"}, {"name": "https://github.com/envoyproxy/envoy/commit/a49085623654e27e9ad6298928557644b849d7ce", "tags": ["x_refsource_MISC"], "url": "https://github.com/envoyproxy/envoy/commit/a49085623654e27e9ad6298928557644b849d7ce"}, {"name": "https://github.com/envoyproxy/envoy/commit/c1b29534a294cb0999e99e1fe0de000310165f03", "tags": ["x_refsource_MISC"], "url": "https://github.com/envoyproxy/envoy/commit/c1b29534a294cb0999e99e1fe0de000310165f03"}, {"name": "https://github.com/envoyproxy/envoy/commit/c524571ffad517ba650d9563f85afa89194e2cfb", "tags": ["x_refsource_MISC"], "url": "https://github.com/envoyproxy/envoy/commit/c524571ffad517ba650d9563f85afa89194e2cfb"}, {"name": "https://github.com/envoyproxy/envoy/releases/tag/v1.36.10", "tags": ["x_refsource_MISC"], "url": "https://github.com/envoyproxy/envoy/releases/tag/v1.36.10"}, {"name": "https://github.com/envoyproxy/envoy/releases/tag/v1.37.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/envoyproxy/envoy/releases/tag/v1.37.6"}, {"name": "https://github.com/envoyproxy/envoy/releases/tag/v1.38.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/envoyproxy/envoy/releases/tag/v1.38.4"}, {"name": "https://github.com/envoyproxy/envoy/releases/tag/v1.39.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/envoyproxy/envoy/releases/tag/v1.39.1"}], "affected": [{"vendor": "envoyproxy", "product": "envoy", "versions": [{"version": "< 1.36.10", "status": "affected"}, {"version": ">= 1.37.0, < 1.37.6", "status": "affected"}, {"version": ">= 1.38.0, < 1.38.4", "status": "affected"}, {"version": ">= 1.39.0, < 1.39.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-21T19:32:00.008Z"}, "descriptions": [{"lang": "en", "value": "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 HTTP external-authorization client can retain a stale request callback after a request is rejected. When RawHttpClientImpl::onSuccess later processes the authorization response, it can invoke callbacks_ after the callback owner has been destroyed, causing a use-after-free and process crash under production traffic. The relevant scope boundary is that the vulnerable path uses the HTTP ext_authz client; the advisory does not establish the same trigger for unrelated filters. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1."}], "source": {"advisory": "GHSA-q8wp-gf7q-m8cv", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "envoy", "vendor": "envoyproxy", "versions": [{"status": "affected", "version": "< 1.36.10"}, {"status": "affected", "version": ">= 1.37.0, < 1.37.6"}, {"status": "affected", "version": ">= 1.38.0, < 1.38.4"}, {"status": "affected", "version": ">= 1.39.0, < 1.39.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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 HTTP external-authorization client can retain a stale request callback after a request is rejected. When RawHttpClientImpl::onSuccess later processes the authorization response, it can invoke callbacks_ after the callback owner has been destroyed, causing a use-after-free and process crash under production traffic. The relevant scope boundary is that the vulnerable path uses the HTTP ext_authz client; the advisory does not establish the same trigger for unrelated filters. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1."}], "id": "CVE-2026-50572", "lastModified": "2026-09-21T20:17:25.970", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-21T20:17:25.970", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/envoyproxy/envoy/commit/8dacef38337aeffd62866b5c5910104b63b33db8"}, {"source": "security-advisories@github.com", "url": "https://github.com/envoyproxy/envoy/commit/a49085623654e27e9ad6298928557644b849d7ce"}, {"source": "security-advisories@github.com", "url": "https://github.com/envoyproxy/envoy/commit/c1b29534a294cb0999e99e1fe0de000310165f03"}, {"source": "security-advisories@github.com", "url": "https://github.com/envoyproxy/envoy/commit/c524571ffad517ba650d9563f85afa89194e2cfb"}, {"source": "security-advisories@github.com", "url": "https://github.com/envoyproxy/envoy/releases/tag/v1.36.10"}, {"source": "security-advisories@github.com", "url": "https://github.com/envoyproxy/envoy/releases/tag/v1.37.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/envoyproxy/envoy/releases/tag/v1.38.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/envoyproxy/envoy/releases/tag/v1.39.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-q8wp-gf7q-m8cv"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"bugzilla": {"description": "envoy: envoy: ext_authz use-after-free after rejecting an HTTP request", "id": "2512091", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512091"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["No description is available for this CVE."], "name": "CVE-2026-50572", "package_state": [{"cpe": "cpe:/a:redhat:service_mesh:3", "fix_state": "Affected", "package_name": "openshift-service-mesh/istio-proxyv2-rhel9", "product_name": "OpenShift Service Mesh 3"}], "public_date": "2026-08-26T13:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-50572\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-50572"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 81.0, "source": "matching"}]}, "product": "envoy", "vendor": "envoyproxy"}], "created": "2026-09-01T14:30:18.133185+00:00", "updated": "2026-09-21T21:30:11.736379+00:00", "vendors": ["envoyproxy", "envoyproxy$PRODUCT$envoy"]}