CVE-2026-54279

NameCVE-2026-54279
DescriptionAIOHTTP 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.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python-aiohttp (PTS)bullseye3.7.4-1vulnerable
bullseye (security)3.7.4-1+deb11u2vulnerable
bookworm, bookworm (security)3.8.4-1+deb12u1vulnerable
trixie (security), trixie3.11.16-1+deb13u1vulnerable
forky, sid3.14.1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python-aiohttpsource(unstable)3.14.1-1

Notes

https://github.com/aio-libs/aiohttp/security/advisories/GHSA-2fqr-mr3j-6wp8
Fixed by: https://github.com/aio-libs/aiohttp/commit/a329a7aacad5284f087af36103aff778746da0f2 (v3.14.1)
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