6.3
Medium
CVE-2026-34525 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 version 3.13.4, multiple Host headers were allowed in aiohttp. This issue has been patched in version 3.13.4.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| aiohttp 3.13 | earliest → < 3.13.4 | 3.13.4 |
References
- github.com github.com
- github.com github.com
- github.com github.com
- github.com github.com
Timeline
- Published
- Last modified
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