CVE-2025-66446

HIGH

MaxKB <2.4.0 - Privilege Escalation

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 8.8
EPSS 0.0006
EPSS Percentile 16.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-362
Status published
Products (1)
maxkb/maxkb < 2.4.0
Published Dec 11, 2025
Tracked Since Feb 18, 2026