CVE-2026-54274 - Vulnerability Details - OpenCVE

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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

Link	Providers
https://github.com/aio-libs/aiohttp/commit/14b6ee851fb16ec199acb950de0c82d476799e7d
https://github.com/aio-libs/aiohttp/security/advisories/GHSA-xcgm-r5h9-7989

History

Mon, 22 Jun 2026 19:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mon, 22 Jun 2026 17:30:00 +0000

Type	Values Removed	Values Added
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.
Title		AIOHTTP: Incomplete websocket frame payloads bypass memory limits
Weaknesses		CWE-770
References		https://github.com/aio-libs/aiohttp/commit/14b6ee851fb16ec199acb950de0c82d476799e7d https://github.com/aio-libs/aiohttp/security/advisories/GHSA-xcgm-r5h9-7989
Metrics		cvssV4_0 `{'score': 6.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U'}`

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-06-22T16:33:37.789Z

Updated: 2026-06-22T18:14:44.845Z

Reserved: 2026-06-12T17:13:32.280Z

Link: CVE-2026-54274

Vulnrichment

Updated: 2026-06-22T18:14:27.494Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-06-22T18:30:15Z

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