{"id":"CVE-2026-41862","aliases":["EUVD-2026-38596","GHSA-85qj-f5wg-rwp9"],"status":"published","title":"Spring Statemachine's Kryo-based persistence backends deserialize persisted state-machine contexts without enforcing a class allowlist","description":"Spring Statemachine's Kryo-based persistence backends (JPA, MongoDB, Redis and ZooKeeper) deserialise persisted state-machine contexts without enforcing a class allowlist (CWE-502, deserialisation of untrusted data), which can lead to remote code execution inside the application JVM.\n\nAffected versions:\nSpring Statemachine 4.0.0 through 4.0.1\nSpring Statemachine 3.2.0 through 3.2.4","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00762,"percentile":0.55683,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-502"],"published":"2026-06-23T20:59:02Z","modified":"2026-10-28T02:31:07Z","fixes":[{"ecosystem":"Maven","package":"org.springframework.statemachine:spring-statemachine-kryo","fixed_in":["4.0.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.springframework.statemachine:spring-statemachine-kryo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.2.0"},{"last_affected":"3.2.4"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.springframework.statemachine:spring-statemachine-kryo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"last_affected":"4.0.1"},{"fixed":"4.0.2"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.springframework.statemachine:spring-statemachine-kryo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.2.0"},{"last_affected":"3.2.4"}]}],"versions":["3.2.0","3.2.1"]},{"source":"osv","ecosystem":"Maven","package":"org.springframework.statemachine:spring-statemachine-kryo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.0.2"}]}],"versions":["4.0.0","4.0.1"]}],"products":[{"vendor":"broadcom","product":"spring_statemachine"},{"vendor":"spring","product":"spring statemachine"}],"references":[{"url":"https://spring.io/security/cve-2026-41862","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41862","tags":["advisory"]},{"url":"https://github.com/spring-attic/spring-statemachine/commit/6b77ea6b729e5346d83e31f36c43818665d67384","tags":["web"]},{"url":"https://github.com/spring-attic/spring-statemachine/releases/tag/v4.0.2","tags":["web"]},{"url":"https://github.com/advisories/GHSA-85qj-f5wg-rwp9"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41862.json","tags":["advisory"]},{"url":"https://github.com/spring-attic/spring-statemachine","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-41862","description":"Spring Statemachine's Kryo-based persistence backends (JPA, MongoDB, Redis and ZooKeeper) deserialise persisted state-machine contexts without enforcing a class allowlist (CWE-502, deserialisation of untrusted data), which can lead to remote code execution inside the application JVM.\n\nAffected versions:\nSpring Statemachine 4.0.0 through 4.0.1\nSpring Statemachine 3.2.0 through 3.2.4","status":"published","published":"2026-06-23T20:59:02.378Z","modified":"2026-06-24T15:24:46.354Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-38596","description":"Spring Statemachine's Kryo-based persistence backends (JPA, MongoDB, Redis and ZooKeeper) deserialise persisted state-machine contexts without enforcing a class allowlist (CWE-502, deserialisation of untrusted data), which can lead to remote code execution inside the application JVM.\n\nAffected versions:\nSpring Statemachine 4.0.0 through 4.0.1\nSpring Statemachine 3.2.0 through 3.2.4","status":"published","published":"2026-06-23T20:59:02Z","modified":"2026-06-24T15:24:46Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:30.642628Z"}],"ghsa":[{"id":"GHSA-85qj-f5wg-rwp9","title":"Spring Statemachine's Kryo-based persistence backends deserialize persisted state-machine contexts without enforcing a class allowlist","description":"Spring Statemachine's Kryo-based persistence backends (JPA, MongoDB, Redis and ZooKeeper) deserialise persisted state-machine contexts without enforcing a class allowlist (CWE-502, deserialisation of untrusted data), which can lead to remote code execution inside the application JVM.\n\nAffected versions:\nSpring Statemachine 4.0.0 through 4.0.1\nSpring Statemachine 3.2.0 through 3.2.4","status":"published","published":"2026-06-23T21:30:32Z","modified":"2026-09-24T19:05:06Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:41:21.616682Z"}],"nvd":[{"id":"CVE-2026-41862","description":"Spring Statemachine's Kryo-based persistence backends (JPA, MongoDB, Redis and ZooKeeper) deserialise persisted state-machine contexts without enforcing a class allowlist (CWE-502, deserialisation of untrusted data), which can lead to remote code execution inside the application JVM.\n\nAffected versions:\nSpring Statemachine 4.0.0 through 4.0.1\nSpring Statemachine 3.2.0 through 3.2.4","status":"published","published":"2026-06-23T21:16:57.82Z","modified":"2026-10-25T23:10:00.167Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:25.288279Z"}],"osv":[{"id":"CVE-2026-41862","description":"Spring Statemachine's Kryo-based persistence backends (JPA, MongoDB, Redis and ZooKeeper) deserialise persisted state-machine contexts without enforcing a class allowlist (CWE-502, deserialisation of untrusted data), which can lead to remote code execution inside the application JVM.\n\nAffected versions:\nSpring Statemachine 4.0.0 through 4.0.1\nSpring Statemachine 3.2.0 through 3.2.4","status":"published","published":"2026-06-23T20:59:02.378Z","modified":"2026-10-28T02:31:07.835882549Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:45:03.764807Z"},{"id":"GHSA-85qj-f5wg-rwp9","title":"Spring Statemachine's Kryo-based persistence backends deserialize persisted state-machine contexts without enforcing a class allowlist","description":"Spring Statemachine's Kryo-based persistence backends (JPA, MongoDB, Redis and ZooKeeper) deserialise persisted state-machine contexts without enforcing a class allowlist (CWE-502, deserialisation of untrusted data), which can lead to remote code execution inside the application JVM.\n\nAffected versions:\nSpring Statemachine 4.0.0 through 4.0.1\nSpring Statemachine 3.2.0 through 3.2.4","status":"published","published":"2026-06-23T21:30:32Z","modified":"2026-09-24T19:15:05.762400079Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:46:41.732368Z"}]}}