Missing Authentication for Critical Function in HugeGraph-Server - CVE-2025-26866
Published: December 11, 2025 / Updated: December 17, 2025
Vulnerability identifier: #VU119843
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2025-26866
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to missing authentication within the PD store. A malicious Raft node can exploit insecure Hessian deserialization and execute arbitrary code on the system.
Affected software
HugeGraph-Server
How to mitigate CVE-2025-26866
Install updates from vendor's website.
HugeGraph-Server - update to 1.7.0