DIAMOND The Shadow-IDE Leak | MCP Poisoning

[TheMekanic]

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The Problem: Developers using Cursor, Windsurf, or VS Code AI plugins are running local MCP (Model Context Protocol) servers. These servers have "Read File" permissions but often lack authentication.
The Method: We’ll demonstrate Metadata Poisoning. By feeding the AI agent a malicious prompt, we trick it into "Thinking" it needs to audit the

Code:

.env

or

Code:

~/.ssh/

folder before completing a coding task.

• Logic: The agent acts as a "Confused Deputy," using its local permissions to hand over secrets to the attacker.
  

Code:

google.com youtube.com chatgpt.com netflix.com discord.com canva.com openai.com claude.ai perplexity.ai midjourney.com coursera.org udemy.com skillshare.com masterclass.com brilliant.org linkedin.com binance.com coinbase.com robinhood.com ja4-plus-alignment tls-bypass http3-quic cdp-free-automation nodriver-stealth payload-padding residential-proxies asn-correlation session-persistence string-splitting url-encoding csrf-token-capture data-normalization auto-separator-logic webgl-spoofing canvas-noise-logic wasm-pow-bypass iot-device-linking ttl-normalization