CVE-2026-63336

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The fix changes the production TLS helpers to use the JVM default trust store and enables hostname verification, while retaining an explicitly named development-only no-verification helper. This issue is fixed in version 5.33.0."}, {"lang": "es", "value": "La biblioteca cliente Java de RabbitMQ permite a las aplicaciones Java y basadas en JVM conectarse e interactuar con nodos RabbitMQ. Antes de la versi\u00f3n 5.33.0, com.rabbitmq.client.ConnectionFactory.useSslProtocol() y ConnectionFactory.useSslProtocol(String) configuran com.rabbitmq.client.TrustEverythingTrustManager y dejan la verificaci\u00f3n de nombre de host deshabilitada, lo que provoca que se acepten certificados de servidor arbitrarios, incluidos los certificados autofirmados. Un atacante de red capaz de interceptar una conexi\u00f3n TLS puede suplantar al intermediario de RabbitMQ, leer tr\u00e1fico AMQP protegido y modificar el tr\u00e1fico sin validaci\u00f3n de certificado o nombre de host. La soluci\u00f3n cambia los ayudantes TLS de producci\u00f3n para usar el almac\u00e9n de confianza predeterminado de la JVM y habilita la verificaci\u00f3n de nombre de host, mientras retiene un ayudante de no verificaci\u00f3n expl\u00edcitamente nombrado y solo para desarrollo. Este problema est\u00e1 solucionado en la versi\u00f3n 5.33.0."}], "id": "CVE-2026-63336", "lastModified": "2026-10-22T22:10:00.250", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-63336", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-18T17:30:07.570827Z", "version": "2.0.3"}}]}, "published": "2026-08-18T17:17:00.280", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/rabbitmq/rabbitmq-java-client/commit/1e7deb2e6020c9793a81385a53ea378ec63b9339"}, {"source": "security-advisories@github.com", "url": "https://github.com/rabbitmq/rabbitmq-java-client/commit/a4bf571dd368765baaa9cecfae68ce09f1bdcc01"}, {"source": "security-advisories@github.com", "url": "https://github.com/rabbitmq/rabbitmq-java-client/pull/1999"}, {"source": "security-advisories@github.com", "url": "https://github.com/rabbitmq/rabbitmq-java-client/pull/2001"}, {"source": "security-advisories@github.com", "url": "https://github.com/rabbitmq/rabbitmq-java-client/releases/tag/v5.33.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/rabbitmq/rabbitmq-java-client/security/advisories/GHSA-5m9f-rphj-c435"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/rabbitmq/rabbitmq-java-client/security/advisories/GHSA-5m9f-rphj-c435"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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