CVE-2025-69225 — AIOHTTP Regex Mismatch Allows Unicode in ASCII-Only Protocol Fields
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below contain parser logic which allows non-ASCII decimals to be present in t…
Published: 2026-01-05 · CVSS: 2.7 · CVSS 4.0
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below contain parser logic which allows non-ASCII decimals to be present in the Range header. There is no known impact, but there is the possibility that there's a method to exploit a request smuggling vulnerability. This issue is fixed in version 3.13.3.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7