{"id":"CVE-2026-41413","sourceIdentifier":"security-advisories@github.com","published":"2026-05-07T06:16:04.730","lastModified":"2026-11-11T23:10:00.263","vulnStatus":"Analyzed","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 distribución de datos sensibles a los proxies de Envoy a través de la configuración xDS. Este problema ha sido parcheado en las versiones 1.28.6 y 1.29.2."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"istio","product":"istio","versions":[{"version":"< 1.28.6","status":"affected"},{"version":">= 1.29.0-alpha.0, < 1.29.2","status":"affected"}]}]}],"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:C/C:L/I:N/A:N","baseScore":5.0,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.1,"impactScore":1.4},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","baseScore":7.7,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.1,"impactScore":4.0}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-05-07T12:59:26.326375Z","id":"CVE-2026-41413","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-918"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*","versionEndExcluding":"1.28.6","matchCriteriaId":"C309A741-B098-4B78-863D-64BCDE3A8CFE"},{"vulnerable":true,"criteria":"cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*","versionStartIncluding":"1.29.0","versionEndExcluding":"1.29.2","matchCriteriaId":"60B7D5B0-B748-4C22-A4B3-63D25E78F061"}]}]}],"references":[{"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":["Release Notes"]},{"url":"https://github.com/istio/istio/security/advisories/GHSA-fgw5-hp8f-xfhc","source":"security-advisories@github.com","tags":["Mitigation","Vendor Advisory"]}]}