CVE-2026-66909

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-66909", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-07-28T09:44:19.058Z", "datePublished": "2026-08-06T10:23:23.571Z", "dateUpdated": "2026-08-07T00:01:52.513Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.cxf:cxf-rt-transports-jms", "product": "Apache CXF", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "4.2.3", "status": "affected", "version": "4.2.0", "versionType": "semver"}, {"lessThan": "4.1.8", "status": "affected", "version": "4.0.0", "versionType": "semver"}, {"lessThan": "3.6.12", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Reported by n0mi1k"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<span style=\"background-color: rgb(252, 252, 251);\">Apache CXF's JMS transport deserializes the body of any inbound </span><code>JMS ObjectMessage</code><span style=\"background-color: rgb(252, 252, 251);\">&nbsp;using native Java deserialization, with no type restrictions in place. An</span><span style=\"background-color: rgb(252, 252, 251);\">y 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 </span><span style=\"background-color: rgb(252, 252, 251);\">the </span><span style=\"background-color: rgb(252, 252, 251);\">classpath, </span><span style=\"background-color: rgb(252, 252, 251);\">remote </span><span style=\"background-color: rgb(252, 252, 251);\">code </span><span style=\"background-color: rgb(252, 252, 251);\">execution. </span><span style=\"background-color: rgb(252, 252, 251);\">The </span><span style=\"background-color: rgb(252, 252, 251);\">fix </span><span style=\"background-color: rgb(252, 252, 251);\">disables </span><span style=\"background-color: rgb(252, 252, 251);\"><code>ObjectMessage</code></span><span style=\"background-color: rgb(252, 252, 251);\">&nbsp;deserialization </span><span style=\"background-color: rgb(252, 252, 251);\">by </span><span style=\"background-color: rgb(252, 252, 251);\">default, </span><span style=\"background-color: rgb(252, 252, 251);\">with </span><span style=\"background-color: rgb(252, 252, 251);\">a </span><span style=\"background-color: rgb(252, 252, 251);\">configuration </span><span style=\"background-color: rgb(252, 252, 251);\">switch </span><span style=\"background-color: rgb(252, 252, 251);\">to </span><span style=\"background-color: rgb(252, 252, 251);\">re-enable </span><span style=\"background-color: rgb(252, 252, 251);\">it </span><span style=\"background-color: rgb(252, 252, 251);\">if </span><span style=\"background-color: rgb(252, 252, 251);\">needed.&nbsp;</span>Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue."}], "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."}], "metrics": [{"other": {"content": {"text": "important"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-08-06T10:23:23.571Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/lr5d4tg6tf7j29jmw8wt242oowonjqpx"}], "source": {"discovery": "UNKNOWN"}, "title": "Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"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"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-06T15:09:27.613808Z", "id": "CVE-2026-66909", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-06T15:09:42.879Z"}}, {"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/08/06/18"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-08-07T00:01:52.513Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/08/06/18"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-08-07T00:01:52.513Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"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"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-66909", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-06T15:09:27.613808Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-06T15:09:38.543Z"}}], "cna": {"title": "Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Reported by n0mi1k"}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "important"}}}], "affected": [{"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"}], "references": [{"url": "https://lists.apache.org/thread/lr5d4tg6tf7j29jmw8wt242oowonjqpx", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "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.", "supportingMedia": [{"type": "text/html", "value": "<span style=\"background-color: rgb(252, 252, 251);\">Apache CXF's JMS transport deserializes the body of any inbound </span><code>JMS ObjectMessage</code><span style=\"background-color: rgb(252, 252, 251);\">&nbsp;using native Java deserialization, with no type restrictions in place. An</span><span style=\"background-color: rgb(252, 252, 251);\">y 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 </span><span style=\"background-color: rgb(252, 252, 251);\">the </span><span style=\"background-color: rgb(252, 252, 251);\">classpath, </span><span style=\"background-color: rgb(252, 252, 251);\">remote </span><span style=\"background-color: rgb(252, 252, 251);\">code </span><span style=\"background-color: rgb(252, 252, 251);\">execution. </span><span style=\"background-color: rgb(252, 252, 251);\">The </span><span style=\"background-color: rgb(252, 252, 251);\">fix </span><span style=\"background-color: rgb(252, 252, 251);\">disables </span><span style=\"background-color: rgb(252, 252, 251);\"><code>ObjectMessage</code></span><span style=\"background-color: rgb(252, 252, 251);\">&nbsp;deserialization </span><span style=\"background-color: rgb(252, 252, 251);\">by </span><span style=\"background-color: rgb(252, 252, 251);\">default, </span><span style=\"background-color: rgb(252, 252, 251);\">with </span><span style=\"background-color: rgb(252, 252, 251);\">a </span><span style=\"background-color: rgb(252, 252, 251);\">configuration </span><span style=\"background-color: rgb(252, 252, 251);\">switch </span><span style=\"background-color: rgb(252, 252, 251);\">to </span><span style=\"background-color: rgb(252, 252, 251);\">re-enable </span><span style=\"background-color: rgb(252, 252, 251);\">it </span><span style=\"background-color: rgb(252, 252, 251);\">if </span><span style=\"background-color: rgb(252, 252, 251);\">needed.&nbsp;</span>Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-08-06T10:23:23.571Z"}}}, "cveMetadata": {"cveId": "CVE-2026-66909", "state": "PUBLISHED", "dateUpdated": "2026-08-07T00:01:52.513Z", "dateReserved": "2026-07-28T09:44:19.058Z", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "datePublished": "2026-08-06T10:23:23.571Z", "assignerShortName": "apache"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.cxf:cxf-rt-transports-jms", "product": "Apache CXF", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "4.2.3", "status": "affected", "version": "4.2.0", "versionType": "semver"}, {"lessThan": "4.1.8", "status": "affected", "version": "4.0.0", "versionType": "semver"}, {"lessThan": "3.6.12", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*", "matchCriteriaId": "09753EF1-BB56-4238-8ED7-609E2AB5EB05", "versionEndExcluding": "3.6.12", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*", "matchCriteriaId": "801F031C-B5F5-4CF5-B9A5-DD9AA2F76A66", "versionEndExcluding": "4.1.8", "versionStartIncluding": "4.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*", "matchCriteriaId": "A112761E-E622-4AE5-9BE6-47A247021D4F", "versionEndExcluding": "4.2.3", "versionStartIncluding": "4.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2026-66909", "lastModified": "2026-10-24T16:10:00.153", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-66909", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-06T15:09:27.613808Z", "version": "2.0.3"}}]}, "published": "2026-08-06T11:16:30.583", "references": [{"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread/lr5d4tg6tf7j29jmw8wt242oowonjqpx"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/08/06/18"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "security@apache.org", "type": "Secondary"}]}

{"bugzilla": {"description": "org.apache.cxf/cxf: Apache CXF: Remote Code Execution via unsafe deserialization of JMS ObjectMessage", "id": "2511983", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511983"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-502", "details": ["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.", "A flaw was found in Apache CXF. The Java Message Service (JMS) transport component improperly deserializes inbound JMS ObjectMessages without type restrictions. A remote attacker can exploit this by sending a specially crafted message to the service's JMS destination. This vulnerability could lead to a denial of service or, in certain configurations, enable remote code execution on the affected system."], "mitigation": {"lang": "en:us", "value": "To mitigate this vulnerability, disable ObjectMessage deserialization in Apache CXF's JMS transport. This can typically be achieved through a configuration setting provided by the Apache CXF framework. Consult the Apache CXF documentation for specific instructions on how to disable ObjectMessage deserialization in your deployment. Disabling this feature may impact applications that rely on ObjectMessage for legitimate data transfer."}, "name": "CVE-2026-66909", "package_state": [{"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Affected", "package_name": "cxf-rt-transports-jms", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Affected", "package_name": "cxf", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Affected", "package_name": "cxf-rt-transports-jms", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Affected", "package_name": "eap74-els-openjdk11-openshift-rhel8/eap74-els-openjdk11-openshift-rhel8", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Affected", "package_name": "eap74-els-openjdk17-openshift-rhel8/eap74-els-openjdk17-openshift-rhel8", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Affected", "package_name": "eap74-els-openjdk8-openshift-rhel8/eap74-els-openjdk8-openshift-rhel8", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Affected", "package_name": "jboss-eap-7-eap74-els-openjdk17-openshift-rhel8/jboss-eap-7-eap74-els-openjdk17-openshift-rhel8", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Affected", "package_name": "jboss-eap-7-eap74-els-openjdk8-openshift-rhel8/jboss-eap-7-eap74-els-openjdk8-openshift-rhel8", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Affected", "package_name": "cxf-rt-transports-jms", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "cxf-rt-transports-jms", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Out of support scope", "package_name": "cxf-rt-transports-jms", "product_name": "Red Hat Single Sign-On 7"}], "public_date": "2026-08-06T10:23:23Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-66909\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-66909\nhttps://lists.apache.org/thread/lr5d4tg6tf7j29jmw8wt242oowonjqpx"], "statement": "This vulnerability in Apache CXF's JMS transport is rated as Important because it allows for remote code execution or denial of service if an attacker can send a specially crafted JMS ObjectMessage to a service. This is particularly relevant in Red Hat environments where Apache CXF is used in applications that process JMS messages, as the default deserialization behavior without type restrictions increases the attack surface. Exploitation requires the presence of a suitable gadget class on the classpath.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.2.0,4.2.3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.0.0,4.1.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,3.6.12)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Apache CXF", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "cxf", "vendor": "apache"}], "created": "2026-08-06T12:30:03.650189+00:00", "updated": "2026-08-07T10:01:05.449836+00:00", "vendors": ["apache", "apache$PRODUCT$cxf"]}