CVE-2026-111064 — aiohttp server lacks an initial request/header timeout
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, keepalive timeout handling is absent during the initial portion of a request. An…
Published: 2026-10-19 · CVSS: 8.2 · CVSS 4.0
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, keepalive timeout handling is absent during the initial portion of a request. An attacker can keep an idle connection open indefinitely before sending any request data, consuming server connection capacity. This issue is fixed in version 3.14.4.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7