CVE-2025-69225 – AIOHTTP Regex Mismatch Allows Unicode in ASCII-Only Protocol Fields

CVE ID : CVE-2025-69225

Published : Jan. 5, 2026, 11:16 p.m. | 1 hour, 10 minutes ago

Description : 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.

Severity: 0.0 | NA

Visit the link for more details, such as CVSS details, affected products, timeline, and more…