PT-2026-1350 · Aiohttp+4 · Aiohttp+4
CVE-2025-69225
·
Published
2026-01-05
·
Updated
2026-08-21
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
AIOHTTP versions 3.13.2 and below
Description
AIOHTTP, an asynchronous HTTP client/server framework for asyncio and Python, has an issue in its parser logic. The parser allows non-ASCII decimals to be present in the Range header. This could potentially lead to a request smuggling vulnerability, although there is no known impact at this time.
Recommendations
Update to version 3.13.3 or later.
Exploit
Fix
DoS
HTTP Request/Response Smuggling
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Weakness Enumeration
Related Identifiers
Affected Products
Aiohttp
Debian
Linuxmint
Red Os
Ubuntu