CVE-2026-54279

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, host-only cookies that are saved with CookieJar.save() and then restored later with CookieJar.load() lose their host-only status. This vulnerability is fixed in 3.14.1.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/aio-libs/aiohttp/commit/a329a7aacad5284f087af36103aff778746da0f2	Patch
https://github.com/aio-libs/aiohttp/security/advisories/GHSA-2fqr-mr3j-6wp8	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:aiohttp:aiohttp:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-06-22 18:16

Updated : 2026-06-26 19:36

NVD link : CVE-2026-54279

Mitre link : CVE-2026-54279

CVE.ORG link : CVE-2026-54279

JSON object : View

Products Affected

aiohttp

aiohttp

CWE

CWE-665

Improper Initialization

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