PT-2025-50223 · Apache · Apache Hugegraph-Server

Haohao0103 + 3 · Published 2025-12-09 · Updated 2025-12-29 · CVE-2025-26866

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Apache HugeGraph-Server versions prior to 1.7.0

Description A remote code execution issue 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. Hessian is a binary object serialization format.

Recommendations Upgrade to version 1.7.0 to resolve the issue.

Fix

RCE

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2025-26866

GHSA-Q37J-3367-FWV7

Affected Products

Apache Hugegraph-Server

References · 9

• https://github.com/apache/incubator-hugegraph/pull/2735 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-26866 · Security Note
• https://lists.apache.org/thread/ko8jkwbjbb99m45pg4sgo5xsm8gx9nsq · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-26866 · Vendor Advisory
• https://t.me/cveNotify/147051 · Telegram Post
• https://t.me/CVEtracker/39608 · Telegram Post
• https://twitter.com/oss_security/status/1998437177345163376 · Twitter Post
• https://t.me/cveNotify/145578 · Telegram Post
• http://openwall.com/lists/oss-security/2025/12/09/1 · Note