{"action":"Upgrade aiohttp to 3.14.4 or later.","affected":[{"fixed":"3.14.4","introduced":"0"}],"component":"aiohttp","cve_ids":["CVE-2026-111749"],"ecosystem":"PyPI","epss":0.00384,"exploited":false,"fixed_versions":["3.14.4"],"ghsa_id":"GHSA-gx76-c99x-2c96","id":"tcs_01M5JK8V11AKTQE1SJ03ATKFTC","modified_at":"2026-10-20T20:15:05.188135798Z","published_at":"2026-10-20T19:58:14Z","references":["https://osv.dev/vulnerability/GHSA-gx76-c99x-2c96","https://github.com/aio-libs/aiohttp/security/advisories/GHSA-gx76-c99x-2c96","https://nvd.nist.gov/vuln/detail/CVE-2026-111749","https://github.com/aio-libs/aiohttp/commit/6a07c171ef9f3be583e2907dcd1931372efca8d6","https://github.com/aio-libs/aiohttp","https://github.com/aio-libs/aiohttp/releases/tag/v3.14.4"],"severity":{"label":"low","score":2.3},"sources":[{"source":"osv","source_id":"GHSA-gx76-c99x-2c96","url":"https://osv.dev/vulnerability/GHSA-gx76-c99x-2c96"},{"source":"nvd","source_id":"CVE-2026-111749","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111749"}],"summary":"AIOHTTP: Cookie from subdomain can remove Host-Only Scope from existing cookies"}