CVE-2026-54273: Aiohttp Unbounded Pipelined Request Queuecve-2026-54273-aiohttp-unbounded-pipelined-request-queue
The HTTP/1 request parsing implementation lacks a boundary limit on the number of pipelined requests. The parser continuously processes socket data into parsed request messages and buffers them indefinitely in memory without applying backpressure.
PythonCVE-2026-54273