CVE-2025-66446: Maxkb

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Maxkb Maxkb: before 2.4.0 (fixed in 2.4.0)

Published 2025-12-11. Last modified 2026-10-07.