6.6
Medium
CVE-2026-54274 AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| aiohttp 3.14 | earliest → < 3.14.1 | 3.14.1 |
Other CVEs of aiohttp
The 53 CVEs of aiohttp →
CVE-2026-111750
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python
6.3
Medium
CVE-2026-111749
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python
2.3
Low
CVE-2026-111748
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python
6.3
Medium
CVE-2026-111066
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python
8.2
High