🔴 Critical MaxKB AI Agent Flaw Lets Prompt Injection Execute System Commands

A critical vulnerability in the MaxKB AI knowledge-base platform could let attackers exploit prompt injection and run operating system commands on vulnerable deployments, including directly on the underlying host in some configurations.

This flaw, tracked as CVE-2026-77521 and GHSA-f36j-f34j-h3rx, affects MaxKB versions up to and including 2.10.3-lts. The issue has received a maximum CVSS v3.1 score of 10.0 for public or embedded assistants that can be accessed without authentication. The patch for this vulnerability is included in MaxKB version 2.10.5-lts.