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I found a confirmed bug in the official MCP SDK while building a red-team tool for it

This story is from 2026-08-22. It is preserved in the archive; the latest stories are on the live feed.

Model Context Protocol (MCP) is having a rough year. In the last fourteen months: a CVSS 9.4 RCE in Anthropic's own MCP Inspector, a prompt-injection exfiltration bug in GitHub's MCP server, a supply-chain disclosure in April 2026 that touched the official SDKs across four languages, and — just thi…

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  1. 2026-08-22 17:30 · DEV Community — AI
    I found a confirmed bug in the official MCP SDK while building a red-team tool for it

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