{"id":"CVE-2021-38512","aliases":["GHSA-8928-2fgm-6x9x","RUSTSEC-2021-0081"],"url":"https://o3.security/vulnerability/CVE-2021-38512","summary":"HTTP Request Smuggling in actix-http","details":"An issue was discovered in the actix-http crate before 3.0.0-beta.9 for Rust. HTTP/1 request smuggling (aka HRS) can occur, potentially leading to credential disclosure.","published":"2021-08-10T23:15:07.277Z","modified":"2026-07-08T05:57:17.690920039Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"crates.io","name":"actix-http","fixedVersion":"2.2.1"}],"fix":null,"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/67URRW4K47SR6LNQB4YALPLGGQMQK7HO/"},{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2021-0081.html"},{"type":"EVIDENCE","url":"https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/actix-http/RUSTSEC-2021-0081.md"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:57:17.690920039Z"}}