CVE-2026-54279

LOW1.3

AIOHTTP: Host-Only Cookies Become Domain Cookies After CookieJar Persistence

Published Jun 22, 2026

Modified Yesterday

Details

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.

References

WEB

https://github.com/aio-libs/aiohttp/commit/a329a7aacad5284f087af36103aff778746da0f2

WEB

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

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-54279

CVSS Analysis

CVSS v4.0

1.3

Exploitability

Attack Vector