GHSA-4fvr-rgm6-gqmc

ghsaUSosv

aiohttp: HTTP/1 Pipelined Requests Queue Without Limit

view advisory published 2026-06-15Licence: CC-BY-4.0

### Summary No limit was present on the number of pipelined requests that could be queued. ### Impact An attacker may be able to use pipelined requests to use excessive amounts of memory, potentially leading to DoS. ----- Patch: https://github.com/aio-libs/aiohttp/commit/dfdfa9d5aad5d21f91c79fb2ceeba0f8046cb6cf

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-54273UShigh7.5—
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 a…
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