Embedded browsers in five AI coding assistants allow code execution, file theft and address spoofing

Severity
High
Sources
2

Forever Security reported flaws in the embedded browsers of Cursor, GitHub Copilot, OpenAI Codex, VS Code and Claude Desktop, grouped under the name EMBRACE. Impacts include code execution in Cursor, address-bar spoofing in Copilot, and local file reads in Codex, VS Code and Claude Desktop, including SSH keys, .env files and npm tokens. Cursor and Copilot have been fixed, while Codex and VS Code were unpatched at publication.

For IT people · Written by AI from 2 sources · Wrong?

Full story timeline · 2 updates

  1. Thu 29 OctoberResearchers broke the browsers built into VS Code, Cursor, Copilot, Codex and Claude DesktopHelp Net Security
  2. Fri 30 OctoberResearchers Hacked Cursor, GitHub Copilot, Codex, VS Code, and Claude Desktop Embedded BrowsersCyber Security News

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Embedded browsers in five AI coding assistants allow code execution, file theft and address spoofing · RedTeamDaily