{"id":"GHSA-q37j-3367-fwv7","summary":"Apache HugeGraph-Server: RAFT and deserialization vulnerability","details":"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.","aliases":["CVE-2025-26866"],"modified":"2025-12-12T17:11:15.090338Z","published":"2025-12-12T12:30:25Z","database_specific":{"cwe_ids":["CWE-502"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2025-12-12T16:46:05Z","nvd_published_at":"2025-12-12T10:15:49Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-26866"},{"type":"WEB","url":"https://github.com/apache/incubator-hugegraph/pull/2735"},{"type":"PACKAGE","url":"https://github.com/apache/incubator-hugegraph"},{"type":"WEB","url":"https://lists.apache.org/thread/ko8jkwbjbb99m45pg4sgo5xsm8gx9nsq"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/12/09/1"}],"affected":[{"package":{"name":"org.apache.hugegraph:hg-pd-core","ecosystem":"Maven","purl":"pkg:maven/org.apache.hugegraph/hg-pd-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.0"}]}],"versions":["1.5.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/12/GHSA-q37j-3367-fwv7/GHSA-q37j-3367-fwv7.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}