{"id":"CVE-2025-26866","aliases":["EUVD-2025-203068","GHSA-q37j-3367-fwv7"],"status":"published","title":"Apache HugeGraph-Server: RAFT and deserialization vulnerability","description":"A remote code execution vulnerability exists where a malicious Raft node can exploit insecure Hessian deserialization within the PD store. The fix enforces IP-based authentication to restrict cluster membership and implements a strict class whitelist to harden the Hessian serialization process against object injection attacks.\n\n\n\n\nUsers are recommended to upgrade to version 1.7.0, which fixes the issue.","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":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.01044,"percentile":0.64563,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-502"],"published":"2025-12-12T09:23:07Z","modified":"2026-10-28T02:30:32Z","fixes":[{"ecosystem":"Maven","package":"org.apache.hugegraph:hg-pd-core","fixed_in":["1.7.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.hugegraph:hg-pd-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.hugegraph:hg-pd-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.0"}]}],"versions":["1.5.0"]}],"products":[{"vendor":"apache","product":"hugegraph"},{"vendor":"apache software foundation","product":"apache hugegraph-server"}],"references":[{"url":"https://github.com/apache/incubator-hugegraph/pull/2735","tags":["patch","Issue Tracking","Patch","fix","web"]},{"url":"https://lists.apache.org/thread/ko8jkwbjbb99m45pg4sgo5xsm8gx9nsq","tags":["vendor-advisory","Mailing List","advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2025/12/09/1","tags":["Mailing List","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-26866","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q37j-3367-fwv7"},{"url":"https://repo.maven.apache.org/maven2","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/26xxx/CVE-2025-26866.json","tags":["advisory"]},{"url":"https://github.com/apache/incubator-hugegraph","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-26866","title":"Apache HugeGraph-Server: RAFT and deserialization vulnerability","description":"A remote code execution vulnerability exists where a malicious Raft node can exploit insecure Hessian deserialization within the PD store. The fix enforces IP-based authentication to restrict cluster membership and implements a strict class whitelist to harden the Hessian serialization process against object injection attacks.\n\n\n\n\nUsers are recommended to upgrade to version 1.7.0, which fixes the issue.","status":"published","published":"2025-12-12T09:23:07.681Z","modified":"2026-02-26T16:07:42.192Z","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":"adp"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:32:27.932735Z"}],"euvd":[{"id":"EUVD-2025-203068","description":"A remote code execution vulnerability exists where a malicious Raft node can exploit insecure Hessian deserialization within the PD store. The fix enforces IP-based authentication to restrict cluster membership and implements a strict class whitelist to harden the Hessian serialization process against object injection attacks.\n\n\n\n\nUsers are recommended to upgrade to version 1.7.0, which fixes the issue.","status":"published","published":"2025-12-12T09:23:07Z","modified":"2026-02-26T16:07:42Z","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":"2026-11-02T19:48:25.997368Z"}],"ghsa":[{"id":"GHSA-q37j-3367-fwv7","title":"Apache HugeGraph-Server: RAFT and deserialization vulnerability","description":"A remote code execution vulnerability exists where a malicious Raft node can exploit insecure Hessian deserialization within the PD store. The fix enforces IP-based authentication to restrict cluster membership and implements a strict class whitelist to harden the Hessian serialization process against object injection attacks.\n\nUsers are recommended to upgrade to version 1.7.0, which fixes the issue.","status":"published","published":"2025-12-12T12:30:25Z","modified":"2025-12-12T16:46:06Z","cvss":[{"version":"4.0","score":8.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:39:13.204325Z"}],"nvd":[{"id":"CVE-2025-26866","description":"A remote code execution vulnerability exists where a malicious Raft node can exploit insecure Hessian deserialization within the PD store. The fix enforces IP-based authentication to restrict cluster membership and implements a strict class whitelist to harden the Hessian serialization process against object injection attacks.\n\n\n\n\nUsers are recommended to upgrade to version 1.7.0, which fixes the issue.","status":"published","published":"2025-12-12T10:15:49.053Z","modified":"2026-10-07T20:10:01.97Z","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":"2026-11-02T14:11:49.861863Z"}],"osv":[{"id":"CVE-2025-26866","title":"Apache HugeGraph-Server: RAFT and deserialization vulnerability","description":"A remote code execution vulnerability exists where a malicious Raft node can exploit insecure Hessian deserialization within the PD store. The fix enforces IP-based authentication to restrict cluster membership and implements a strict class whitelist to harden the Hessian serialization process against object injection attacks.\n\n\n\n\nUsers are recommended to upgrade to version 1.7.0, which fixes the issue.","status":"published","published":"2025-12-12T09:23:07.681Z","modified":"2026-10-28T02:30:32.323429915Z","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":"2026-11-02T15:44:47.386092Z"},{"id":"GHSA-q37j-3367-fwv7","title":"Apache HugeGraph-Server: RAFT and deserialization vulnerability","description":"A remote code execution vulnerability exists where a malicious Raft node can exploit insecure Hessian deserialization within the PD store. The fix enforces IP-based authentication to restrict cluster membership and implements a strict class whitelist to harden the Hessian serialization process against object injection attacks.\n\nUsers are recommended to upgrade to version 1.7.0, which fixes the issue.","status":"published","published":"2025-12-12T12:30:25Z","modified":"2025-12-12T17:11:15.090338Z","cvss":[{"version":"4.0","score":8.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:46:54.055966Z"}]}}