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.

Risk Information

Base Score

8.8

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score

Exploitation Probability

1.678

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2025-26866 are fixed in Apache - hg-pd-core 1.7.0	Windows
Vulnerabilities CVE-2025-26866 are fixed in Apache - hg-pd-core for Linux 1.7.0	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234