CVE-2026-66909

{"id": "CVE-2026-66909", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-66909", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-06T15:09:27.613808Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@apache.org", "affectedData": [{"vendor": "Apache Software Foundation", "product": "Apache CXF", "versions": [{"status": "affected", "version": "4.2.0", "lessThan": "4.2.3", "versionType": "semver"}, {"status": "affected", "version": "4.0.0", "lessThan": "4.1.8", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "3.6.12", "versionType": "semver"}], "packageName": "org.apache.cxf:cxf-rt-transports-jms", "collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected"}]}], "published": "2026-08-06T11:16:30.583", "references": [{"url": "https://lists.apache.org/thread/lr5d4tg6tf7j29jmw8wt242oowonjqpx", "tags": ["Mailing List", "Vendor Advisory"], "source": "security@apache.org"}, {"url": "http://www.openwall.com/lists/oss-security/2026/08/06/18", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "Apache CXF's JMS transport deserializes the body of any inbound JMS ObjectMessage\u00a0using native Java deserialization, with no type restrictions in place. Any attacker able to place a message on the service's JMS destination can submit a malicious serialized object, leading to denial of service or, if a suitable gadget class is on the classpath, remote code execution. The fix disables ObjectMessage\u00a0deserialization by default, with a configuration switch to re-enable it if needed.\u00a0Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue."}, {"lang": "es", "value": "El transporte JMS de Apache CXF deserializa el cuerpo de cualquier ObjectMessage JMS entrante usando la deserializaci\u00f3n nativa de Java, sin restricciones de tipo en vigor. Cualquier atacante capaz de colocar un mensaje en el destino JMS del servicio puede enviar un objeto serializado malicioso, lo que lleva a denegaci\u00f3n de servicio o, si una clase gadget adecuada est\u00e1 en el classpath, a ejecuci\u00f3n remota de c\u00f3digo. La soluci\u00f3n deshabilita la deserializaci\u00f3n de ObjectMessage por defecto, con un switch de configuraci\u00f3n para volver a habilitarla si es necesario. Se recomienda a los usuarios actualizar a las versiones 4.2.3 o 4.1.8 o 3.6.12, que solucionan este problema."}], "lastModified": "2026-10-24T16:10:00.153", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "09753EF1-BB56-4238-8ED7-609E2AB5EB05", "versionEndExcluding": "3.6.12"}, {"criteria": "cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "801F031C-B5F5-4CF5-B9A5-DD9AA2F76A66", "versionEndExcluding": "4.1.8", "versionStartIncluding": "4.0.0"}, {"criteria": "cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A112761E-E622-4AE5-9BE6-47A247021D4F", "versionEndExcluding": "4.2.3", "versionStartIncluding": "4.2.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}