CVE-2026-54274
High · 7.5CVSS
7.5
EPSS
0.5%
Published
Jun 22, 2026
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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