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6.6 Medium

CVE-2026-54273 AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python

Description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, no limit was present on the number of pipelined requests that could be queued. An attacker may be able to use pipelined requests to use excessive amounts of memory, potentially leading to DoS. This vulnerability is fixed in 3.14.1.

Affected products and versions

Product Affected versions Fixed in
aiohttp 3.14 earliest → < 3.14.1 3.14.1

References

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