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DeepSeek Harness Flaw Let AI Agents Disable Their Own File Sandbox Without Approval

Sep 9, 2026, 11:17 AM · by The Hacker News

A flaw in DeepSeek Harness, DeepSeek's open-source tool for running AI coding agents on a developer's machine, let a sandboxed agent turn off its own sandbox with a single command.

The tool runs an agent's commands inside an operating-system sandbox, so that an agent working on untrusted files cannot write outside its workspace. The agent could remove that limit by calling the tool's own web

Source: The Hacker News