{"id":"GHSA-x863-p983-p4f7","summary":"Spring Framework Unsafe Deserialization via Jackson JMS Converters","details":"In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter and org.springframework.jms.support.converter.JacksonJsonMessageConverter allow arbitrary class instantiation, which can lead to unauthorized actions via gadget class deserialization.\n\nAffected versions:\nSpring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.","aliases":["CVE-2026-41855"],"modified":"2026-09-08T17:56:07.421848Z","published":"2026-06-09T06:31:58Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-09-08T17:36:05Z","nvd_published_at":"2026-06-09T05:16:37Z","cwe_ids":["CWE-502"],"severity":"HIGH"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41855"},{"type":"WEB","url":"https://github.com/spring-projects/spring-framework/commit/9bec52b1ec741976658e916850b31f41afd2da2d"},{"type":"PACKAGE","url":"https://github.com/spring-projects/spring-framework"},{"type":"WEB","url":"https://spring.io/security/cve-2026-41855"}],"affected":[{"package":{"name":"org.springframework:spring-jms","ecosystem":"Maven","purl":"pkg:maven/org.springframework/spring-jms"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"5.3.39"}]}],"versions":["2.0","2.0-m5","2.0-rc1","2.0-rc2","2.0.1","2.0.2","2.0.3","2.0.4","2.0.5","2.0.6","2.0.7","2.0.8","2.5","2.5.1","2.5.2","2.5.3","2.5.4","2.5.5","2.5.6","2.5.6.SEC01","2.5.6.SEC02","2.5.6.SEC03","3.0.0.RELEASE","3.0.1.RELEASE","3.0.2.RELEASE","3.0.3.RELEASE","3.0.4.RELEASE","3.0.5.RELEASE","3.0.6.RELEASE","3.0.7.RELEASE","3.1.0.RELEASE","3.1.1.RELEASE","3.1.2.RELEASE","3.1.3.RELEASE","3.1.4.RELEASE","3.2.0.RELEASE","3.2.1.RELEASE","3.2.10.RELEASE","3.2.11.RELEASE","3.2.12.RELEASE","3.2.13.RELEASE","3.2.14.RELEASE","3.2.15.RELEASE","3.2.16.RELEASE","3.2.17.RELEASE","3.2.18.RELEASE","3.2.2.RELEASE","3.2.3.RELEASE","3.2.4.RELEASE","3.2.5.RELEASE","3.2.6.RELEASE","3.2.7.RELEASE","3.2.8.RELEASE","3.2.9.RELEASE","4.0.0.RELEASE","4.0.1.RELEASE","4.0.2.RELEASE","4.0.3.RELEASE","4.0.4.RELEASE","4.0.5.RELEASE","4.0.6.RELEASE","4.0.7.RELEASE","4.0.8.RELEASE","4.0.9.RELEASE","4.1.0.RELEASE","4.1.1.RELEASE","4.1.2.RELEASE","4.1.3.RELEASE","4.1.4.RELEASE","4.1.5.RELEASE","4.1.6.RELEASE","4.1.7.RELEASE","4.1.8.RELEASE","4.1.9.RELEASE","4.2.0.RELEASE","4.2.1.RELEASE","4.2.2.RELEASE","4.2.3.RELEASE","4.2.4.RELEASE","4.2.5.RELEASE","4.2.6.RELEASE","4.2.7.RELEASE","4.2.8.RELEASE","4.2.9.RELEASE","4.3.0.RELEASE","4.3.1.RELEASE","4.3.10.RELEASE","4.3.11.RELEASE","4.3.12.RELEASE","4.3.13.RELEASE","4.3.14.RELEASE","4.3.15.RELEASE","4.3.16.RELEASE","4.3.17.RELEASE","4.3.18.RELEASE","4.3.19.RELEASE","4.3.2.RELEASE","4.3.20.RELEASE","4.3.21.RELEASE","4.3.22.RELEASE","4.3.23.RELEASE","4.3.24.RELEASE","4.3.25.RELEASE","4.3.26.RELEASE","4.3.27.RELEASE","4.3.28.RELEASE","4.3.29.RELEASE","4.3.3.RELEASE","4.3.30.RELEASE","4.3.4.RELEASE","4.3.5.RELEASE","4.3.6.RELEASE","4.3.7.RELEASE","4.3.8.RELEASE","4.3.9.RELEASE","5.0.0.RELEASE","5.0.1.RELEASE","5.0.10.RELEASE","5.0.11.RELEASE","5.0.12.RELEASE","5.0.13.RELEASE","5.0.14.RELEASE","5.0.15.RELEASE","5.0.16.RELEASE","5.0.17.RELEASE","5.0.18.RELEASE","5.0.19.RELEASE","5.0.2.RELEASE","5.0.20.RELEASE","5.0.3.RELEASE","5.0.4.RELEASE","5.0.5.RELEASE","5.0.6.RELEASE","5.0.7.RELEASE","5.0.8.RELEASE","5.0.9.RELEASE","5.1.0.RELEASE","5.1.1.RELEASE","5.1.10.RELEASE","5.1.11.RELEASE","5.1.12.RELEASE","5.1.13.RELEASE","5.1.14.RELEASE","5.1.15.RELEASE","5.1.16.RELEASE","5.1.17.RELEASE","5.1.18.RELEASE","5.1.19.RELEASE","5.1.2.RELEASE","5.1.20.RELEASE","5.1.3.RELEASE","5.1.4.RELEASE","5.1.5.RELEASE","5.1.6.RELEASE","5.1.7.RELEASE","5.1.8.RELEASE","5.1.9.RELEASE","5.2.0.RELEASE","5.2.1.RELEASE","5.2.10.RELEASE","5.2.11.RELEASE","5.2.12.RELEASE","5.2.13.RELEASE","5.2.14.RELEASE","5.2.15.RELEASE","5.2.16.RELEASE","5.2.17.RELEASE","5.2.18.RELEASE","5.2.19.RELEASE","5.2.2.RELEASE","5.2.20.RELEASE","5.2.21.RELEASE","5.2.22.RELEASE","5.2.23.RELEASE","5.2.24.RELEASE","5.2.25.RELEASE","5.2.3.RELEASE","5.2.4.RELEASE","5.2.5.RELEASE","5.2.6.RELEASE","5.2.7.RELEASE","5.2.8.RELEASE","5.2.9.RELEASE","5.3.0","5.3.1","5.3.10","5.3.11","5.3.12","5.3.13","5.3.14","5.3.15","5.3.16","5.3.17","5.3.18","5.3.19","5.3.2","5.3.20","5.3.21","5.3.22","5.3.23","5.3.24","5.3.25","5.3.26","5.3.27","5.3.28","5.3.29","5.3.3","5.3.30","5.3.31","5.3.32","5.3.33","5.3.34","5.3.35","5.3.36","5.3.37","5.3.38","5.3.39","5.3.4","5.3.5","5.3.6","5.3.7","5.3.8","5.3.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-x863-p983-p4f7/GHSA-x863-p983-p4f7.json"}},{"package":{"name":"org.springframework:spring-jms","ecosystem":"Maven","purl":"pkg:maven/org.springframework/spring-jms"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"last_affected":"6.1.21"}]}],"versions":["6.0.0","6.0.1","6.0.10","6.0.11","6.0.12","6.0.13","6.0.14","6.0.15","6.0.16","6.0.17","6.0.18","6.0.19","6.0.2","6.0.20","6.0.21","6.0.22","6.0.23","6.0.3","6.0.4","6.0.5","6.0.6","6.0.7","6.0.8","6.0.9","6.1.0","6.1.1","6.1.10","6.1.11","6.1.12","6.1.13","6.1.14","6.1.15","6.1.16","6.1.17","6.1.18","6.1.19","6.1.2","6.1.20","6.1.21","6.1.3","6.1.4","6.1.5","6.1.6","6.1.7","6.1.8","6.1.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-x863-p983-p4f7/GHSA-x863-p983-p4f7.json"}},{"package":{"name":"org.springframework:spring-jms","ecosystem":"Maven","purl":"pkg:maven/org.springframework/spring-jms"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.2.19"}]}],"versions":["6.2.0","6.2.1","6.2.10","6.2.11","6.2.12","6.2.13","6.2.14","6.2.15","6.2.16","6.2.17","6.2.18","6.2.2","6.2.3","6.2.4","6.2.5","6.2.6","6.2.7","6.2.8","6.2.9"],"database_specific":{"last_known_affected_version_range":"\u003c= 6.2.18","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-x863-p983-p4f7/GHSA-x863-p983-p4f7.json"}},{"package":{"name":"org.springframework:spring-jms","ecosystem":"Maven","purl":"pkg:maven/org.springframework/spring-jms"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0-M1"},{"fixed":"7.0.8"}]}],"versions":["7.0.0","7.0.0-M1","7.0.0-M2","7.0.0-M3","7.0.0-M4","7.0.0-M5","7.0.0-M6","7.0.0-M7","7.0.0-M8","7.0.0-M9","7.0.0-RC1","7.0.0-RC2","7.0.0-RC3","7.0.1","7.0.2","7.0.3","7.0.4","7.0.5","7.0.6","7.0.7"],"database_specific":{"last_known_affected_version_range":"\u003c= 7.0.7","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-x863-p983-p4f7/GHSA-x863-p983-p4f7.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}