CVE-2025-66419

HIGH

MaxKB <2.4.0 - Privilege Escalation

Title source: llm
STIX 2.1

Description

MaxKB is an open-source AI assistant for enterprise. In versions 2.3.1 and below, the tool module allows an attacker to escape the sandbox environment and escalate privileges under certain concurrent conditions. This issue is fixed in version 2.4.0.

Scores

CVSS v3 8.8
EPSS 0.0006
EPSS Percentile 19.5%
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