{"id":"CVE-2026-66909","aliases":["EUVD-2026-53854","GHSA-2hvc-5c6v-f533","GHSA-93g8-qqv3-mrx8","GHSA-gvw8-rcrx-9fxx","RHLW-2026-03cce96257578d24","RHLW-2026-109b0867db5b9dde","RHLW-2026-689bba11eae91bcb"],"status":"published","title":"Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage","description":"Apache CXF's JMS transport deserializes the body of any inbound JMS ObjectMessage using 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 deserialization by default, with a configuration switch to re-enable it if needed. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.01148,"percentile":0.67072,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-502"],"published":"2026-08-06T10:23:23Z","modified":"2026-10-29T14:30:07Z","fixes":[{"ecosystem":"Red Hat Lightwell:Maven","package":"org.apache.cxf:cxf-rt-transports-jms","fixed_in":["4.2.2.rhlw-00007"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Red Hat 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software foundation","product":"apache cxf"}],"references":[{"url":"https://lists.apache.org/thread/lr5d4tg6tf7j29jmw8wt242oowonjqpx","tags":["vendor-advisory","Mailing List","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/08/06/18","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66909","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-gvw8-rcrx-9fxx"},{"url":"https://repo.maven.apache.org/maven2","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66909.json","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44417.json","tags":["web"]},{"url":"https://access.redhat.com/errata/RHSA-2026:37390","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-44417","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44417.json","tags":["advisory"]},{"url":"https://lists.apache.org/thread/bqg6gjy2cx7rfyqjxcpv3jwjvmclvz4o","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44417","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2hvc-5c6v-f533","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-50632.json","tags":["web"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-50632","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50632.json","tags":["advisory"]},{"url":"https://lists.apache.org/thread/740ghch5z5y675cn2kzgtyo5k37n6qcw","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50632","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-93g8-qqv3-mrx8","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-66909","title":"Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage","description":"Apache CXF's JMS transport deserializes the body of any inbound JMS ObjectMessage using 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 deserialization by default, with a configuration switch to re-enable it if needed. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.","status":"published","published":"2026-08-06T10:23:23.571Z","modified":"2026-08-07T00:01:52.513Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:20:12.939084Z"}],"euvd":[{"id":"EUVD-2026-53854","description":"Apache CXF's JMS transport deserializes the body of any inbound JMS ObjectMessage using 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 deserialization by default, with a configuration switch to re-enable it if needed. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.","status":"published","published":"2026-08-06T10:23:23Z","modified":"2026-08-07T00:01:52Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:02:07.757838Z"}],"ghsa":[{"id":"GHSA-gvw8-rcrx-9fxx","title":"Apache CXF's JMS transport deserializes the body of any inbound JMS ObjectMessage using native...","description":"Apache CXF's JMS transport deserializes the body of any inbound JMS ObjectMessage using 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 deserialization by default, with a configuration switch to re-enable it if needed. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.","status":"published","published":"2026-08-06T12:31:13Z","modified":"2026-08-07T00:31:10Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:10:10.387883Z"}],"nvd":[{"id":"CVE-2026-66909","description":"Apache CXF's JMS transport deserializes the body of any inbound JMS ObjectMessage using 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 deserialization by default, with a configuration switch to re-enable it if needed. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.","status":"published","published":"2026-08-06T11:16:30.583Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:35.031043Z"}],"osv":[{"id":"CVE-2026-66909","title":"Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage","description":"Apache CXF's JMS transport deserializes the body of any inbound JMS ObjectMessage using 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 deserialization by default, with a configuration switch to re-enable it if needed. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.","status":"published","published":"2026-08-06T10:23:23.571Z","modified":"2026-10-28T02:30:26.356735647Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:45:14.46177Z"},{"id":"RHLW-2026-03cce96257578d24","title":"Lightwell Security Advisory: cxf-rt-transports-jms 4.2.2.rhlw-00007","description":"Red Hat Lightwell has released org.apache.cxf:cxf-rt-transports-jms 4.2.2.rhlw-00007 with a backported security fix.\n\nCVE-2026-66909: Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage\n\nThis patched artifact is a drop-in replacement for org.apache.cxf:cxf-rt-transports-jms 4.2.2 from Maven Central.","status":"published","published":"2026-10-13T21:10:25Z","modified":"2026-10-29T14:30:07.113166222Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:58.636919Z"},{"id":"RHLW-2026-109b0867db5b9dde","title":"Lightwell Security Advisory: cxf-rt-transports-jms 3.6.9.rhlw-00004","description":"Red Hat Lightwell has released org.apache.cxf:cxf-rt-transports-jms 3.6.9.rhlw-00004 with backported fixes for CVE-2026-44417, CVE-2026-50632, and CVE-2026-66909.\n\nCVE-2026-44417: Apache CXF: Incomplete fix for CVE-2025-48913 (Untrusted JMS configuration can lead to RCE)\n\nCVE-2026-50632: Apache CXF: JNDI Injection Vulnerability in JMSConfigFactory\n\nCVE-2026-66909: Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage\n\nThis patched artifact is a drop-in replacement for org.apache.cxf:cxf-rt-transports-jms 3.6.9 from Maven Central.","status":"published","published":"2026-10-13T18:33:14Z","modified":"2026-10-27T04:00:03.613638213Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:58.636919Z"},{"id":"RHLW-2026-689bba11eae91bcb","title":"Lightwell Security Advisory: cxf-jaxrs-service 3.6.9.rhlw-00004","description":"Red Hat Lightwell has released org.apache.cxf.archetype:cxf-jaxrs-service 3.6.9.rhlw-00004 with backported fixes for CVE-2026-44417, CVE-2026-50632, and CVE-2026-66909.\n\nCVE-2026-44417: Apache CXF: Incomplete fix for CVE-2025-48913 (Untrusted JMS configuration can lead to RCE)\n\nCVE-2026-50632: Apache CXF: JNDI Injection Vulnerability in JMSConfigFactory\n\nCVE-2026-66909: Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage\n\nThis patched artifact is a drop-in replacement for org.apache.cxf.archetype:cxf-jaxrs-service 3.6.9 from Maven Central.","status":"published","published":"2026-10-08T19:45:51Z","modified":"2026-10-27T04:00:02.53935157Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:58.636919Z"}]}}