Severity: CriticalVulnerabilityModel/inference
Sandbox escape vulnerability in Claude Cowork allows breakout from VM isolation on macOS
Global
Live intelligence. Items are aggregated from public sources and summarised automatically. Always verify against the linked source before acting.
A sandbox escape vulnerability in Anthropic's Claude Cowork agent enables an attacker to break out of the Linux VM container and directly access or modify files on the host macOS system. The flaw potentially affects approximately 500,000 macOS users running the affected software.
What to do
Immediately patch Claude Cowork to the latest version and verify VM isolation boundaries are restored.
Mapped framework pillars
Sources
#sandbox escape#Claude#macOS#VM breakout#AI agent#Anthropic