{"action":"Upgrade aiohttp to 3.14.1 or later.","affected":[{"fixed":"3.14.1","introduced":"0"}],"component":"aiohttp","cve_ids":["CVE-2026-54280"],"ecosystem":"PyPI","epss":0.0046,"exploited":false,"fixed_versions":["3.14.1"],"ghsa_id":"GHSA-9x8q-7h8h-wcw9","id":"tcs_01M5KGXJ399WBJ1RA59HYB90XS","modified_at":"2026-07-13T07:15:14.367176911Z","published_at":"2026-06-22T18:16:46.670Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2113","https://github.com/aio-libs/aiohttp/security/advisories/GHSA-9x8q-7h8h-wcw9","https://github.com/aio-libs/aiohttp/commit/a762eda5242f6490d6ba667533193f8b473ad587"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-2113","url":"https://osv.dev/vulnerability/PYSEC-2026-2113"}],"summary":"AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, payload resources are not closed correctly when a client disconnects in the middle of a write. If a pay"}