{"id":"CVE-2020-7658","aliases":["GHSA-63h2-9cc8-fc7m","PYSEC-2020-239","SNYK-PYTHON-MEINHELD-569140"],"url":"https://o3.security/vulnerability/CVE-2020-7658","summary":"meinheld vulnerable to HTTP Request Smuggling","details":"meinheld prior to 1.0.2 is vulnerable to HTTP Request Smuggling. HTTP pipelining issues and request smuggling attacks might be possible due to incorrect Content-Length and Transfer encoding header parsing.","published":"2020-05-22T16:15:10.973Z","modified":"2026-07-09T10:52:24.486822Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"meinheld","fixedVersion":"1.0.2"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/mopemope/meinheld/blob/master/CHANGES.rst%2C"},{"type":"FIX","url":"https://snyk.io/vuln/SNYK-PYTHON-MEINHELD-569140"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T10:52:24.486822Z"}}