PyPI/aiohttp CVE-2026-54274: high 7.5, EPSS 0.54%
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
Action: Upgrade aiohttp to 3.14.1 or later.
pip install aiohttp==3.14.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.14.1 | - |
Fixed versions
| 3.14.1 |
Sources
- osv: PYSEC-2026-2108
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-xcgm-r5h9-7989
- https://github.com/aio-libs/aiohttp/commit/14b6ee851fb16ec199acb950de0c82d476799e7d
CVE-2026-54274 · published · modified · JSON