CVE-2025-66446 HIGH

CVE-2025-66446: MaxKB has a Python sandbox LD_PRELOAD bypass

Vendor 1Panel-Dev
Product MaxKB
Weakness CWE-362
Published December 11, 2025
Last update December 18, 2025

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

Description

MaxKB is an open-source AI assistant for enterprise. Versions 2.3.1 and below have improper file permissions which allow attackers to overwrite the built-in dynamic linker and other critical files, potentially resulting in privilege escalation. This issue is fixed in version 2.4.0.

Key dates

Disclosure timeline

December 11, 2025 CVE published
December 18, 2025 Record updated