CVE-2026-54274

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

7.5 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H                                    

Vulnerability Description

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.

Vulnerability Details

Published Date

June 15, 2026

Last Modified

June 26, 2026

CWE ID

CWE-770

Source

GitHub

Vendor

pip

Product

aiohttp

External References

https://github.com/aio-libs/aiohttp/security/advisories/GHSA-xcgm-r5h9-7989
https://github.com/advisories/GHSA-xcgm-r5h9-7989

CVE-2026-54274

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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