- imessage MCP: built by Anthropic
- Claude Desktop: has dev keys
- Stripe: just executing bad requests
- avg devs: claude goes brr
- CISOs: should be concerned
67 karma · joined January 30, 2025
1. Unsanitized data included in agent context
2. Foundation models being unable to distinguish instructions and data
3. Bad access scoping (cursor having too much access)
This vulnerability can be found almost everywhere in common MCP use patterns.
We are working on guardrails for MCP tool users and tool builders to properly defend against these attacks.