{"action":"Upgrade aiohttp to 3.14.0 or later.","affected":[{"fixed":"3.14.0","introduced":"0"}],"component":"aiohttp","cve_ids":["CVE-2026-50269"],"ecosystem":"PyPI","epss":0.00533,"exploited":false,"fixed_versions":["3.14.0"],"ghsa_id":"GHSA-m6qw-4cw2-hm4m","id":"tcs_01M5KGXGQ1BGARSD9DZVC98N87","modified_at":"2026-07-13T07:15:15.667130045Z","published_at":"2026-06-22T18:16:42.920Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2106","https://github.com/aio-libs/aiohttp/security/advisories/GHSA-m6qw-4cw2-hm4m","https://github.com/aio-libs/aiohttp/commit/bf88077ebb14f4c29924b8e8904cba20c55c28b8"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-2106","url":"https://osv.dev/vulnerability/PYSEC-2026-2106"}],"summary":"AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.0, attacker-controlled input included into multipart/payload headers can be used to modify a request to in"}