aiohttp
HighPyPICVE-2026-111066
What to do
Update aiohttp to 3.14.4 or later.
pip install "aiohttp>=3.14.4"
A denial of service flaw affects the PyPI package aiohttp. Affected versions: >= 2.0.0, < 3.14.4. Fixed from version 3.14.4.
What the flaw allows: The service can be knocked over cheaply.
- Package
- aiohttp
- Ecosystem
- PyPI (Python)
- Class
- Denial of service
- Affected versions
- >= 2.0.0, < 3.14.4
- Published on
- October 20, 2026
Sources
Entry built automatically from the cited security advisory, with no model rewriting. Acknowledged by the organisation or vendor, notified to an authority, or established by two independent sources.