CVE-2026-54274 — AIOHTTP: Incomplete websocket frame payloads bypass memory limits
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, if an attacker sends large incomplete websocket frame payloads, it may be possib…
Published: 2026-06-22 · CVSS: 6.6 · CVSS 4.0
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, if an attacker sends large incomplete websocket frame payloads, it may be possible to bypass the usual size limits on memory use. This vulnerability is fixed in 3.14.1.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7