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

Sep 09, 2026 - 14:30
DeepSeek Harness Flaw Let AI Agents Disable Their Own File Sandbox Without Approval
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