<0.1% probability · 11.7th percentile — 2026-05-02
Affected versions
cpe:2.3:a:aiohttp:aiohttp:*:*:*:*:*:*:*:*
Summary
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. This issue has been patched in version 3.13.4.
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