CVE-2026-111065
Medium
Description
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, Max-Age processing can overflow and skip closing a connection. An attacker can consequently exhaust the connection pool temporarily until garbage collection resolves the connections. This issue is fixed in version 3.14.4.
SeverityMedium
CVSS6.9
Exploit probability—
ProductAiohttp
PublishedOct 19, 2026
First seenOct 19, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- aiohttp3.14.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| aiohttpPyPI | v < 3.14.4 | 3.14.4 |
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