High severityOSV Advisory· Published Dec 12, 2025· Updated Feb 26, 2026
Apache HugeGraph-Server: RAFT and deserialization vulnerability
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.
Users are recommended to upgrade to version 1.7.0, which fixes the issue.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.apache.hugegraph:hg-pd-coreMaven | < 1.7.0 | 1.7.0 |
Affected products
2- Range: 1.0.0, 1.2.0, 1.3.0
Patches
Vulnerability mechanics
References
5- github.com/apache/incubator-hugegraph/pull/2735ghsapatchWEB
- github.com/advisories/GHSA-q37j-3367-fwv7ghsaADVISORY
- lists.apache.org/thread/ko8jkwbjbb99m45pg4sgo5xsm8gx9nsqghsavendor-advisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2025-26866ghsaADVISORY
- www.openwall.com/lists/oss-security/2025/12/09/1ghsaWEB
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