{"id":"CVE-2016-10750","aliases":["EUVD-2022-4434","GHSA-jv65-pf7v-f7p8"],"status":"published","title":"Deserialization of Untrusted Data in Hazelcast","description":"In Hazelcast before 3.11, the cluster join procedure is vulnerable to remote code execution via Java deserialization. If an attacker can reach a listening Hazelcast instance with a crafted JoinRequest, and vulnerable classes exist in the classpath, the attacker can run arbitrary code.","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03951,"percentile":0.90491,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-502"],"published":"2019-05-22T13:40:06Z","modified":"2026-10-20T10:47:28Z","fixes":[{"ecosystem":"Maven","package":"com.hazelcast:hazelcast","fixed_in":["3.11"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"com.hazelcast:hazelcast","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11"}]}]},{"source":"osv","ecosystem":"Maven","package":"com.hazelcast:hazelcast","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11"}]}],"versions":["1.5","1.5.1","1.5.2","1.5.3","1.6","1.6-RC1","1.7","1.7-RC1","1.7-RC2","1.7-RC3","1.7-RC4","1.7.1","1.8","1.8.1","1.8.2","1.8.3","1.8.4","1.8.5","1.9","1.9.1","1.9.1-RC2","1.9.2","1.9.2.1","1.9.2.2","1.9.2.3","1.9.3","1.9.3-RC","1.9.3.1","1.9.3.2","1.9.3.3","1.9.3.4","1.9.4","1.9.4-RC","1.9.4-RC1","1.9.4.1","1.9.4.2","1.9.4.3","1.9.4.4","1.9.4.5","1.9.4.6","1.9.4.8","2.0","2.0-RC1","2.0-RC2","2.0.1","2.0.2","2.0.3","2.0.4","2.1","2.1.1","2.1.2","2.1.3","2.2","2.3","2.3.1","2.4","2.4.1","2.5","2.5.1","2.6","2.6.1","2.6.10","2.6.2","2.6.3","2.6.4","2.6.5","2.6.6","2.6.7","2.6.8","2.6.9","3.0","3.0-RC1","3.0-RC2","3.0.1","3.0.2","3.0.3","3.1","3.1.1","3.1.2","3.1.3","3.1.4","3.1.5","3.1.6","3.1.7","3.1.8","3.1.9","3.10","3.10-BETA-1","3.10-BETA-2","3.10.1","3.10.2","3.10.3","3.10.4","3.10.5","3.10.6","3.10.7","3.11-BETA-1","3.2","3.2-RC1","3.2-RC2","3.2.1","3.2.2","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.3","3.3-EA","3.3-EA2","3.3-RC1","3.3-RC2","3.3-RC3","3.3.1","3.3.2","3.3.3","3.3.4","3.3.5","3.4","3.4-EA","3.4.1","3.4.2","3.4.3","3.4.4","3.4.5","3.4.6","3.4.7","3.4.8","3.5","3.5-EA","3.5.1","3.5.2","3.5.3","3.5.4","3.5.5","3.6","3.6-EA","3.6-EA2","3.6-EA3","3.6-RC1","3.6.1","3.6.2","3.6.3","3.6.4","3.6.5","3.6.6","3.6.7","3.6.8","3.7","3.7-EA","3.7.1","3.7.2","3.7.3","3.7.4","3.7.5","3.7.6","3.7.7","3.7.8","3.8","3.8-EA","3.8-RC1","3.8.1","3.8.2","3.8.3","3.8.4","3.8.5","3.8.6","3.8.7","3.8.8","3.8.9","3.9","3.9-EA","3.9.1","3.9.2","3.9.3","3.9.4"]}],"products":[{"vendor":"hazelcast","product":"hazelcast"}],"references":[{"url":"https://github.com/hazelcast/hazelcast/issues/8024","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://github.com/hazelcast/hazelcast/pull/12230","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://access.redhat.com/errata/RHSA-2019:2413","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-10750","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-jv65-pf7v-f7p8"}],"sources":{"cve":[{"id":"CVE-2016-10750","description":"In Hazelcast before 3.11, the cluster join procedure is vulnerable to remote code execution via Java deserialization. If an attacker can reach a listening Hazelcast instance with a crafted JoinRequest, and vulnerable classes exist in the classpath, the attacker can run arbitrary code.","status":"published","published":"2019-05-22T13:40:06Z","modified":"2024-08-06T03:30:20.142Z","updated_at":"2026-11-02T14:33:31.450804Z"}],"euvd":[{"id":"EUVD-2022-4434","description":"In Hazelcast before 3.11, the cluster join procedure is vulnerable to remote code execution via Java deserialization. If an attacker can reach a listening Hazelcast instance with a crafted JoinRequest, and vulnerable classes exist in the classpath, the attacker can run arbitrary code.","status":"published","published":"2019-05-22T13:40:06Z","modified":"2024-08-06T03:30:20Z","updated_at":"2026-11-03T02:22:23.66215Z"}],"ghsa":[{"id":"GHSA-jv65-pf7v-f7p8","title":"Deserialization of Untrusted Data in Hazelcast","description":"In Hazelcast before 3.11, the cluster join procedure is vulnerable to remote code execution via Java deserialization. If an attacker can reach a listening Hazelcast instance with a crafted JoinRequest, and vulnerable classes exist in the classpath, the attacker can run arbitrary code.","status":"published","published":"2022-05-24T16:46:09Z","modified":"2023-01-27T05:02:49Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:36:19.144959Z"}],"nvd":[{"id":"CVE-2016-10750","description":"In Hazelcast before 3.11, the cluster join procedure is vulnerable to remote code execution via Java deserialization. If an attacker can reach a listening Hazelcast instance with a crafted JoinRequest, and vulnerable classes exist in the classpath, the attacker can run arbitrary code.","status":"published","published":"2019-05-22T14:29:00.223Z","modified":"2026-06-17T00:40:17.307Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:03:39.621168Z"}],"osv":[{"id":"CVE-2016-10750","description":"In Hazelcast before 3.11, the cluster join procedure is vulnerable to remote code execution via Java deserialization. If an attacker can reach a listening Hazelcast instance with a crafted JoinRequest, and vulnerable classes exist in the classpath, the attacker can run arbitrary code.","status":"published","published":"2019-05-22T14:29:00.223Z","modified":"2026-10-20T10:47:28.653519209Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:01.531338Z"},{"id":"GHSA-jv65-pf7v-f7p8","title":"Deserialization of Untrusted Data in Hazelcast","description":"In Hazelcast before 3.11, the cluster join procedure is vulnerable to remote code execution via Java deserialization. If an attacker can reach a listening Hazelcast instance with a crafted JoinRequest, and vulnerable classes exist in the classpath, the attacker can run arbitrary code.","status":"published","published":"2022-05-24T16:46:09Z","modified":"2023-11-08T03:58:21.515204Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:46:51.10002Z"}]}}