{"id":"CVE-2026-50076","aliases":["EUVD-2026-34300","GHSA-8f39-v287-78jf"],"status":"published","title":"Apache Fory: Java ReplaceResolverSerializer deserialization checks bypass","description":"Deserialization of Untrusted Data in the Java replace-resolve path in Apache Fory fory-core Java SDK before 1.1.0 on Java/JVM platforms allows a remote attacker to bypass class registration, TypeChecker, and DisallowedList checks and invoke classpath-present readResolve/readExternal hooks via crafted Fory serialized data.\n\nUsers are recommended to upgrade to version 1.1.0 or later, which fixes this issue.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.0052,"percentile":0.44702,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-502"],"published":"2026-06-04T16:09:03Z","modified":"2026-11-07T10:46:18Z","fixes":[{"ecosystem":"Maven","package":"org.apache.fory:fory-core","fixed_in":["1.1.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.fory:fory-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.fory:fory-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0"}]}],"versions":["0.11.0","0.11.1","0.11.2","0.12.0","0.12.1","0.12.2","0.12.3","0.13.0","0.13.1","0.13.2","0.14.0","0.14.1","0.15.0","0.16.0","0.17.0","1.0.0"]}],"products":[{"vendor":"apache","product":"fory"},{"vendor":"apache software foundation","product":"apache fory"}],"references":[{"url":"https://fory.apache.org/security","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2026/06/04/4","tags":["Mailing List","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50076","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8f39-v287-78jf"},{"url":"https://repo.maven.apache.org/maven2","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50076.json","tags":["advisory"]},{"url":"https://github.com/apache/fory","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-50076","title":"Apache Fory: Java ReplaceResolverSerializer deserialization checks bypass","description":"Deserialization of Untrusted Data in the Java replace-resolve path in Apache Fory fory-core Java SDK before 1.1.0 on Java/JVM platforms allows a remote attacker to bypass class registration, TypeChecker, and DisallowedList checks and invoke classpath-present readResolve/readExternal hooks via crafted Fory serialized data.\n\nUsers are recommended to upgrade to version 1.1.0 or later, which fixes this issue.","status":"published","published":"2026-06-04T16:09:03.212Z","modified":"2026-06-04T17:01:57.229Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"adp"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:20:09.098623Z"}],"euvd":[{"id":"EUVD-2026-34300","description":"Deserialization of Untrusted Data in the Java replace-resolve path in Apache Fory fory-core Java SDK before 1.1.0 on Java/JVM platforms allows a remote attacker to bypass class registration, TypeChecker, and DisallowedList checks and invoke classpath-present readResolve/readExternal hooks via crafted Fory serialized data.\n\nUsers are recommended to upgrade to version 1.1.0 or later, which fixes this issue.","status":"published","published":"2026-06-04T16:09:03Z","modified":"2026-06-04T17:01:57Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T18:20:52.744481Z"}],"ghsa":[{"id":"GHSA-8f39-v287-78jf","title":"Apache Fory Java SDK Has Deserialization of Untrusted Data in the Java replace-resolve path","description":"Deserialization of Untrusted Data in the Java replace-resolve path in Apache Fory fory-core Java SDK before 1.1.0 on Java/JVM platforms allows a remote attacker to bypass class registration, TypeChecker, and DisallowedList checks and invoke classpath-present readResolve/readExternal hooks via crafted Fory serialized data.\n\nUsers are recommended to upgrade to version 1.1.0 or later, which fixes this issue.","status":"published","published":"2026-06-04T18:30:32Z","modified":"2026-07-15T22:32:30Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:40:44.915484Z"}],"nvd":[{"id":"CVE-2026-50076","description":"Deserialization of Untrusted Data in the Java replace-resolve path in Apache Fory fory-core Java SDK before 1.1.0 on Java/JVM platforms allows a remote attacker to bypass class registration, TypeChecker, and DisallowedList checks and invoke classpath-present readResolve/readExternal hooks via crafted Fory serialized data.\n\nUsers are recommended to upgrade to version 1.1.0 or later, which fixes this issue.","status":"published","published":"2026-06-04T17:16:33.39Z","modified":"2026-07-22T20:10:00.127Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:22.022466Z"}],"osv":[{"id":"CVE-2026-50076","title":"Apache Fory: Java ReplaceResolverSerializer deserialization checks bypass","description":"Deserialization of Untrusted Data in the Java replace-resolve path in Apache Fory fory-core Java SDK before 1.1.0 on Java/JVM platforms allows a remote attacker to bypass class registration, TypeChecker, and DisallowedList checks and invoke classpath-present readResolve/readExternal hooks via crafted Fory serialized data.\n\nUsers are recommended to upgrade to version 1.1.0 or later, which fixes this issue.","status":"published","published":"2026-06-04T16:09:03.212Z","modified":"2026-11-07T10:46:18.350371001Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-07T11:15:38.581573Z"},{"id":"GHSA-8f39-v287-78jf","title":"Apache Fory Java SDK Has Deserialization of Untrusted Data in the Java replace-resolve path","description":"Deserialization of Untrusted Data in the Java replace-resolve path in Apache Fory fory-core Java SDK before 1.1.0 on Java/JVM platforms allows a remote attacker to bypass class registration, TypeChecker, and DisallowedList checks and invoke classpath-present readResolve/readExternal hooks via crafted Fory serialized data.\n\nUsers are recommended to upgrade to version 1.1.0 or later, which fixes this issue.","status":"published","published":"2026-06-04T18:30:32Z","modified":"2026-07-15T22:56:42.607897Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:46:42.077781Z"}]}}