{"action":"Upgrade aiohttp to 3.14.1 or later.","affected":[{"fixed":"3.14.1","introduced":"0"}],"component":"aiohttp","cve_ids":["CVE-2026-54279"],"ecosystem":"PyPI","epss":0.00493,"exploited":false,"fixed_versions":["3.14.1"],"ghsa_id":"GHSA-2fqr-mr3j-6wp8","id":"tcs_01M5KGXHYZ3ZJZRS86X9QYM61C","modified_at":"2026-07-13T07:15:14.351268374Z","published_at":"2026-06-22T18:16:46.527Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2112","https://github.com/aio-libs/aiohttp/security/advisories/GHSA-2fqr-mr3j-6wp8","https://github.com/aio-libs/aiohttp/commit/a329a7aacad5284f087af36103aff778746da0f2"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-2112","url":"https://osv.dev/vulnerability/PYSEC-2026-2112"}],"summary":"AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, host-only cookies that are saved with CookieJar.save() and then restored later with CookieJar.load() lo"}