{"action":"Upgrade py3-aiohttp to 3.13.5-r0 or later.","affected":[{"fixed":"3.13.5-r0","introduced":"0"}],"component":"py3-aiohttp","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["3.13.5-r0"],"id":"tcs_01M6H2WB47STVAB77S4G76W5KJ","modified_at":"2026-11-03T06:32:54.939371339Z","published_at":"2026-04-01T21:17:00.490Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-34525","https://security.alpinelinux.org/vuln/CVE-2026-34525"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-34525","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-34525"}],"summary":"AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, multiple Host headers were allowed in aiohttp. This issue has been patched in version 3.13.4."}