{"action":"Upgrade aiohttp to 3.9.0 or later.","affected":[{"fixed":"3.9.0","introduced":"0"}],"component":"aiohttp","cve_ids":["CVE-2023-49082"],"ecosystem":"PyPI","epss":0.00948,"exploited":false,"fixed_versions":["3.9.0"],"ghsa_id":"GHSA-qvrw-v9rv-5rjx","id":"tcs_01M5KFWPZCD5ZXMJAC89SQ43YC","modified_at":"2026-09-10T03:49:59.157526982Z","published_at":"2023-11-27T23:17:24Z","references":["https://osv.dev/vulnerability/GHSA-qvrw-v9rv-5rjx","https://github.com/aio-libs/aiohttp/security/advisories/GHSA-qvrw-v9rv-5rjx","https://nvd.nist.gov/vuln/detail/CVE-2023-49082","https://github.com/aio-libs/aiohttp/pull/7806/files","https://github.com/aio-libs/aiohttp/commit/e4ae01c2077d2cfa116aa82e4ff6866857f7c466","https://gist.github.com/jnovikov/7f411ae9fe6a9a7804cf162a3bdbb44b","https://github.com/aio-libs/aiohttp","https://github.com/pypa/advisory-database/tree/main/vulns/aiohttp/PYSEC-2023-251.yaml","https://lists.debian.org/debian-lts-announce/2025/02/msg00002.html","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TY5SI6NK5243DEEDQUFKQKW5GQNKQUMA","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WSYWMP64ZFCTC3VO6RY6EC6VSSMV6I3A"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-qvrw-v9rv-5rjx","url":"https://osv.dev/vulnerability/GHSA-qvrw-v9rv-5rjx"}],"summary":"aiohttp's ClientSession is vulnerable to CRLF injection via method"}