this post was submitted on 26 May 2025
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Content:

BEWARE: Claude 4 + GitHub MCP will leak your private GitHub repositories, no questions asked.

We discovered a new attack on agents using GitHub’s official MCP server, which can be exploited by attackers to access your private repositories.

creds to @marco_milanta

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[–] taladar 32 points 1 week ago

It is almost as if connecting private and public channels together using a "do random shit" engine is not a good idea for security.

[–] [email protected] 25 points 1 week ago

Maybe I should have just linked the blog post: https://invariantlabs.ai/blog/mcp-github-vulnerability