Starlette Vulnerability Exposes Millions of Servers to Hackers

Summary

A critical vulnerability in Starlette, an open-source Python framework, can allow hackers to bypass authorization and access sensitive data. The vulnerability affects millions of servers worldwide, including those running FastAPI and other Python apps.

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Starlette, an open-source Python framework underpinning FastAPI, has a vulnerability called BadHost that can allow hackers to bypass authorization

5/28/2026, 12:30:42 AM

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