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Critical MaxKB AI Agent Flaw Lets Prompt Injection Execute Commands as Root

Cyber Press
Cyber Press
Published September 22, 2026Original Report

Excerpt

A critical vulnerability in MaxKB, tracked as CVE-2026-77521, could allow attackers to use prompt injection to trigger arbitrary shell commands through AI assistants configured with tools, MCP integrations, skills, or sub-applications. The flaw affects MaxKB versions up to and including 2.10.3-lts and has been fixed in version 2.10.5-lts. The issue carries a CVSS v3.1 score of 10.0, with network-based exploitation requiring no authentication or user interaction. Researchers…

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Indicators of Compromise

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1 indicators

TypeIndicatorConfidenceScoreFirst Seen
CVECVE-2026-77521MediumScore 51/100First seen

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