CVE-2025-26866
Apache HugeGraph-Server: RAFT and deserialization vulnerability
EPSS 3.4%
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. Users are recommended to upgrade to version 1.7.0, which fixes the issue.
How to fix CVE-2025-26866
To remediate CVE-2025-26866, upgrade the affected package to a fixed version below.
- Maven/org.apache.hugegraph:hg-pd-core—upgrade to 1.7.0 or later
Is CVE-2025-26866 being exploited?
Low — EPSS is 3.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.7.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |