CVE-2026-40466

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"product": "Red Hat JBoss Enterprise Application Platform 7", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:jboss_enterprise_application_platform:8"], "defaultStatus": "unaffected", "packageName": "activemq-broker", "product": "Red Hat JBoss Enterprise Application Platform 8", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:jbosseapxp"], "defaultStatus": "unaffected", "packageName": "activemq-broker", "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack", "vendor": "Red Hat"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*", "matchCriteriaId": "550C287A-18F0-462A-BFC9-2AD8A64B951A", "versionEndExcluding": "5.19.6", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*", "matchCriteriaId": "F7BDD719-DDF9-42A2-AD9D-05FB6D758EF1", "versionEndExcluding": "6.2.5", "versionStartIncluding": "6.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:activemq_broker:*:*:*:*:*:*:*:*", "matchCriteriaId": "8799E3CE-EA55-4470-9582-D1948706DEAF", "versionEndExcluding": "5.19.6", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:activemq_broker:*:*:*:*:*:*:*:*", "matchCriteriaId": "429CAFE7-6C7F-4670-B62D-C0D4D97D440F", "versionEndExcluding": "6.2.5", "versionStartIncluding": "6.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Input Validation, Improper Control of Generation of Code ('Code Injection') vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ.\n\n\n\nAn authenticated attacker may bypass the fix in CVE-2026-34197 by adding a connector using an HTTP Discovery transport via\u00a0BrokerView.addNetworkConnector or\u00a0BrokerView.addConnector through\u00a0Jolokia if the activemq-http module is on the classpath.\nA malicious HTTP endpoint can return a VM transport through the HTTP URI which will bypass the validation added in CVE-2026-34197. The attacker can then use the VM transport's brokerConfig parameter to load a remote Spring XML application context using ResourceXmlApplicationContext.\nBecause Spring's ResourceXmlApplicationContext instantiates all singleton beans before the BrokerService validates the configuration, arbitrary code execution occurs on the broker's JVM through bean factory methods such as Runtime.exec().\n\n\nThis issue affects Apache ActiveMQ Broker: before 5.19.6, from 6.0.0 before 6.2.5; Apache ActiveMQ All: before 5.19.6, from 6.0.0 before 6.2.5; Apache ActiveMQ: before 5.19.6, from 6.0.0 before 6.2.5.\n\nUsers are recommended to upgrade to version 5.19.6 or 6.2.5, which fixes the issue."}, {"lang": "es", "value": "Vulnerabilidad de validaci\u00f3n de entrada incorrecta, control incorrecto de la generaci\u00f3n de c\u00f3digo (\u2019Inyecci\u00f3n de c\u00f3digo\u2019) en Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ.\n\nUn atacante autenticado puede eludir la correcci\u00f3n en CVE-2026-34197 a\u00f1adiendo un conector que utiliza un transporte HTTP Discovery a trav\u00e9s de BrokerView.addNetworkConnector o BrokerView.addConnector mediante Jolokia si el m\u00f3dulo activemq-http est\u00e1 en el classpath.\nUn endpoint HTTP malicioso puede devolver un transporte VM a trav\u00e9s de la URI HTTP, lo que eludir\u00e1 la validaci\u00f3n a\u00f1adida en CVE-2026-34197. El atacante puede entonces usar el par\u00e1metro brokerConfig del transporte VM para cargar un contexto de aplicaci\u00f3n Spring XML remoto usando ResourceXmlApplicationContext.\nDebido a que ResourceXmlApplicationContext de Spring instancia todos los beans singleton antes de que BrokerService valide la configuraci\u00f3n, se produce la ejecuci\u00f3n de c\u00f3digo arbitrario en la JVM del broker a trav\u00e9s de m\u00e9todos de f\u00e1brica de beans como Runtime.exec().\n\nEste problema afecta a Apache ActiveMQ Broker: anterior a 5.19.6, desde 6.0.0 anterior a 6.2.5; Apache ActiveMQ All: anterior a 5.19.6, desde 6.0.0 anterior a 6.2.5; Apache ActiveMQ: anterior a 5.19.6, desde 6.0.0 anterior a 6.2.5.\n\nSe recomienda a los usuarios actualizar a la versi\u00f3n 5.19.6 o 6.2.5, que corrige el problema."}], "id": "CVE-2026-40466", "lastModified": "2026-10-26T22:10:00.163", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-40466", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-24T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-04-24T11:16:22.540", "references": [{"source": "security@apache.org", "tags": ["Not Applicable"], "url": "https://activemq.apache.org/security-advisories.data/CVE-2026-34197-announcement.txt"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/security/cve/CVE-2026-40466"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461410"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40466.json"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-94"}], "source": "security@apache.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-94"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}]}

{"bugzilla": {"description": "org.apache.activemq/activemq-all: org.apache.activemq/activemq-broker: Apache ActiveMQ: Arbitrary code execution via improper input validation in HTTP Discovery transport", "id": "2461410", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461410"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-94", "details": ["A flaw was found in Apache ActiveMQ. An authenticated attacker can bypass a previous security fix by adding a connector using an HTTP Discovery transport through Jolokia, if the activemq-http module is present. A malicious HTTP endpoint can return a virtual machine (VM) transport, which allows the attacker to load a remote Spring XML application context. This can lead to arbitrary code execution on the broker's Java Virtual Machine (JVM)."], "name": "CVE-2026-40466", "package_state": [{"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Affected", "package_name": "activemq-broker", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:8", "fix_state": "Affected", "package_name": "activemq-broker", "product_name": "Red Hat Data Grid 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "log4j:2/log4j", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "log4j", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "package_name": "activemq-all", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Affected", "package_name": "activemq-broker", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Will not fix", "package_name": "activemq-broker", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Affected", "package_name": "activemq-broker", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "activemq-broker", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}], "public_date": "2026-04-24T10:15:44Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-40466\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-40466\nhttps://activemq.apache.org/security-advisories.data/CVE-2026-34197-announcement.txt"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,5.19.6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.0.0,6.2.5)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache ActiveMQ", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "activemq", "vendor": "apache"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,5.19.6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.0.0,6.2.5)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache ActiveMQ Broker", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "activemq_broker", "vendor": "apache"}], "created": "2026-04-28T07:00:09.533967+00:00", "updated": "2026-06-18T09:00:16.720279+00:00", "vendors": ["apache", "apache$PRODUCT$activemq", "apache$PRODUCT$activemq_broker"]}