LOWCVSS 1.3EPSS 0.5%

CVE-2026-54279

CVE-2026-54279 updated by NVD

Published: 2026-06-15
Modified: 2026-11-03
EPSS percentile: 42%
Sources: github-advisory, nvd

Summary

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.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
PyPI	aiohttp	—	3.14.1

Remediation: Upgrade to 3.14.1 or later.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-54279

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.