{"action":"Upgrade aiohttp to 3.14.1 or later.","affected":[{"fixed":"3.14.1","introduced":"0"}],"component":"aiohttp","cve_ids":["CVE-2026-54273"],"ecosystem":"PyPI","epss":0.00493,"exploited":false,"fixed_versions":["3.14.1"],"ghsa_id":"GHSA-4fvr-rgm6-gqmc","id":"tcs_01M5KGXGVSN2KJNXXN1TEQK1HB","modified_at":"2026-07-13T07:15:15.784194566Z","published_at":"2026-06-22T18:16:45.743Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2107","https://github.com/aio-libs/aiohttp/security/advisories/GHSA-4fvr-rgm6-gqmc","https://github.com/aio-libs/aiohttp/commit/dfdfa9d5aad5d21f91c79fb2ceeba0f8046cb6cf"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-2107","url":"https://osv.dev/vulnerability/PYSEC-2026-2107"}],"summary":"AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, no limit was present on the number of pipelined requests that could be queued. An attacker may be able"}