CVE-2026-41413

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{"affected": [{"affectedData": [{"product": "istio", "vendor": "istio", "versions": [{"status": "affected", "version": "< 1.28.6"}, {"status": "affected", "version": ">= 1.29.0-alpha.0, < 1.29.2"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "matchCriteriaId": "C309A741-B098-4B78-863D-64BCDE3A8CFE", "versionEndExcluding": "1.28.6", "vulnerable": true}, {"criteria": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "matchCriteriaId": "60B7D5B0-B748-4C22-A4B3-63D25E78F061", "versionEndExcluding": "1.29.2", "versionStartIncluding": "1.29.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Istio is an open platform to connect, manage, and secure microservices. Prior to versions 1.28.6 and 1.29.2, when a RequestAuthentication resource is created with a jwksUri pointing to an internal service, istiod makes an unauthenticated HTTP GET request to that URL without filtering out localhost or link local ips. This can result in sensitive data being distributed to Envoy proxies via xDS configuration. This issue has been patched in versions 1.28.6 and 1.29.2."}, {"lang": "es", "value": "Istio es una plataforma abierta para conectar, gestionar y proteger microservicios. Antes de las versiones 1.28.6 y 1.29.2, cuando se crea un recurso RequestAuthentication con un jwksUri apuntando a un servicio interno, istiod realiza una solicitud HTTP GET no autenticada a esa URL sin filtrar localhost o IPs de enlace local. Esto puede resultar en la distribuci\u00f3n de datos sensibles a los proxies de Envoy a trav\u00e9s de la configuraci\u00f3n xDS. Este problema ha sido parcheado en las versiones 1.28.6 y 1.29.2."}], "id": "CVE-2026-41413", "lastModified": "2026-11-11T23:10:00.263", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-41413", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-07T12:59:26.326375Z", "version": "2.0.3"}}]}, "published": "2026-05-07T06:16:04.730", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/istio/istio/releases/tag/1.28.6"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/istio/istio/releases/tag/1.29.2"}, {"source": "security-advisories@github.com", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://github.com/istio/istio/security/advisories/GHSA-fgw5-hp8f-xfhc"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "Istio: Istio: Information disclosure through unauthenticated internal service requests", "id": "2467646", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467646"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.0", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-918", "details": ["A flaw was found in Istio. When a RequestAuthentication resource is created with a jwksUri (JSON Web Key Set Uniform Resource Identifier) that points to an internal service, istiod (the Istio control plane daemon) makes an unauthenticated HTTP GET request to that URL. This request does not properly filter out localhost or link-local IP addresses. Consequently, sensitive data can be inadvertently distributed to Envoy proxies via xDS (API for dynamic configuration) configuration, leading to information disclosure."], "name": "CVE-2026-41413", "package_state": [{"cpe": "cpe:/a:redhat:service_mesh:2", "fix_state": "Not affected", "package_name": "openshift-service-mesh/pilot-rhel8", "product_name": "OpenShift Service Mesh 2"}, {"cpe": "cpe:/a:redhat:service_mesh:2", "fix_state": "Not affected", "package_name": "openshift-service-mesh/proxyv2-rhel9", "product_name": "OpenShift Service Mesh 2"}, {"cpe": "cpe:/a:redhat:service_mesh:3", "fix_state": "Out of support scope", "package_name": "openshift-service-mesh/istio-proxyv2-rhel9", "product_name": "OpenShift Service Mesh 3"}], "public_date": "2026-05-07T04:18:32Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-41413\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-41413\nhttps://github.com/istio/istio/releases/tag/1.28.6\nhttps://github.com/istio/istio/releases/tag/1.29.2\nhttps://github.com/istio/istio/security/advisories/GHSA-fgw5-hp8f-xfhc"], "threat_severity": "Moderate"}

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