CVE-2026-54279

medium

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.

References

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

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

Details

Source: Mitre, NVD

Published: 2026-06-22

Updated: 2026-06-26

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

CVSS v4

Base Score: 5.3

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

Severity: Medium

EPSS

EPSS: 0.00018