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Package · Debian

starlette

9 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Medium 6.5
    CVE-2026-48710 Exploited Public exploit EPSS 70%

    Starlette has missing Host header validation that poisons request.url.path, bypassing path-based security checks

    Starlette is a lightweight ASGI framework/toolkit. Prior to version 1.0.1, the HTTP `Host` request header was not validated before being used to reconstruct `request.url`. Because the routing algorithm relies on the raw HTTP path while `request.url` is rebuil…

    Kludex starlette starlette starlette Debian Ubuntu Alpine PyPI
    KEV Sep 2, 2026
  • High 7.5
    CVE-2025-62727 Public exploit

    Starlette vulnerable to O(n^2) DoS via Range header merging in starlette.responses.FileResponse

    Starlette is a lightweight ASGI framework/toolkit. Starting in version 0.39.0 and prior to version 0.49.1 , an unauthenticated attacker can send a crafted HTTP Range header that triggers quadratic-time processing in Starlette's FileResponse Range parsing/merg…

    Kludex starlette starlette starlette Debian Ubuntu PyPI