CVE-2026-54279 · Symaro Security Advisory

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.

Severity (CVSS)

Base score	1.3
Severity	Low
Version	CVSS 4.0
Vector	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
Provided by	CNA

Weaknesses

CWE-665 — CWE-665: Improper Initialization

Affected products

Vendor	Product	Versions
aio-libs	aiohttp	< 3.14.1

References

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

Authoritative sources

This page is a snapshot. For the latest enrichment and updates, view the record on CVE.org or the NVD.

Generated from the official CVE List on 23 Jun 2026 10:05 UTC.