Yadnesh Salvi

Story · Backslash Security Blog

Among the 8,000 Most Popular MCP Servers, We Found 29% With Significant Risk (Backslash Security Blog)

blog post · Story page

A grid of identical small server crates seen straight on. Roughly a third carry a small tag hanging from one corner. Six crates sit open on a low bench in front of the wall, with a single cable running out of them toward the right.

Backslash took the 8,000 most-starred MCP servers on GitHub and found at least one risk finding in 29% of them, with confirmed unintended remote code execution in six.

In plain words

  • Backslash found security risks in 29% of 8,000 popular programs that connect artificial intelligence assistants to outside tools.
  • In six cases, someone could make the computer running the program carry out unwanted instructions from elsewhere.
  • The report offers security advice for developers deciding how to connect assistants to other software.

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