AI agent incident
A flaw in DeepSeek Harness let a sandboxed coding agent call its own tool API to disable the file sandbox, with no approval step in the way.
A sandbox the agent can turn off from inside is a setting, not a boundary. The control has to sit somewhere the agent's tool surface cannot reach.
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“A DeepSeek Harness flaw let an agent switch off its own file sandbox.” The Permission Layer AI Agent Incident Database, https://thepermissionlayer.com/incidents/deepseek-harness-sandbox-disable/. Database updated October 22, 2026.
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