{"id":"CVE-2020-36202","aliases":["CVE-2020-26281","GHSA-4vr9-8cjf-vf9c","GHSA-c8rq-crxj-mj9m","RUSTSEC-2020-0093"],"url":"https://o3.security/vulnerability/CVE-2020-36202","summary":"Async-h1 request smuggling possible with long unread bodies","details":"An issue was discovered in the async-h1 crate before 2.3.0 for Rust. Request smuggling can occur when used behind a reverse proxy.","published":"2021-01-26T18:15:55.490Z","modified":"2026-07-09T00:07:10.771449Z","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":"crates.io","name":"async-h1","fixedVersion":"2.3.0"}],"fix":null,"references":[{"type":"FIX","url":"https://rustsec.org/advisories/RUSTSEC-2020-0093.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:07:10.771449Z"}}