CVE-2026-54279 | AIOHTTP is an asynchronous HTTP client/server framework for … | CVSS 1.3 LOW

Description

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.

Metadata

CVE ID: CVE-2026-54279
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-06-12 17:13 UTC
Published: 2026-06-22 16:32 UTC
Last updated: 2026-06-22 17:40 UTC
Primary CWE: CWE-665
CWE-665: Improper Initialization
Vendor / Product: aio-libs / aiohttp
Sources: cve.org · NVD

Severity & Metrics

1.3 LOW CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:U

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
aio-libs	aiohttp	—	< 3.14.1

Weakness (CWE)

CWE	Source	Description
CWE-665	cna	CWE-665: Improper Initialization

CVSS scores (1)

Score	Severity	Version	Source	Vector
1.3	LOW	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:U

References (2)

https://github.com/aio-libs/aiohttp/security/advisories/GHSA-2fqr-mr3j-6wp8 https://github.com/aio-libs/aiohttp/security/advisories/GHSA-2fqr-mr3j-6wp8
https://github.com/aio-libs/aiohttp/commit/a329a7aacad5284f087af36103aff778746da0f2 https://github.com/aio-libs/aiohttp/commit/a329a7aacad5284f087af36103aff778746da0f2