https://db.gcve.eu/rss/recent/all/10 Most recent entries from all 2026-10-21T20:27:30.257050+00:00 Vulnerability-Lookup info@gcve.eu python-feedgen Contains only the most 10 recent entries. https://db.gcve.eu/vuln/fkie_cve-2026-111749 fkie_cve-2026-111749 2026-10-21T20:27:30.273915+00:00

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, Host-Only scope on an existing parent-domain cookie can be removed by a subdomain. A user who accesses an untrusted subdomain can consequently have host-only protections stripped from cookies, although impact is limited when applications do not reflect those cookies to a browser. This issue is fixed in version 3.14.4.

 https://db.gcve.eu/vuln/ghsa-gx76-c99x-2c96 GHSA-gx76-c99x-2c96 — AIOHTTP: Cookie from subdomain can remove Host-Only Scope from existing cookies 2026-10-21T20:27:30.273981+00:00

Affected: PyPI: aiohttp

### Summary

A subdomain can remove the Host-Only flag from an existing cookie to a parent domain.

### Impact

A user accessing untrusted subdomains could see their Host-Only protections stripped from cookies. Given most usecases won't reflect these cookies to a browser, the impact is limited.