{"id":"RUSTSEC-2026-0161","aliases":[],"status":"published","title":"`pqcrypto-mlkem` is unmaintained: upstream PQClean project being archived","description":"This crate provides Rust bindings to ML-KEM (FIPS 203) via C implementations\nfrom [PQClean](https://github.com/PQClean/PQClean). The PQClean project is\nbeing archived in or after July 2026 (see [PQClean/PQClean#604](https://github.com/PQClean/PQClean/issues/604)),\nafter which no further security patches or bug fixes will be applied to the\nupstream implementations.\n\nAs a result, this crate will no longer receive updates. Users should migrate\nto the [`ml-kem`](https://crates.io/crates/ml-kem) crate, which provides a\npure-Rust implementation of ML-KEM (FIPS 203).","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2026-06-04T12:00:00Z","modified":"2026-06-04T15:00:04Z","affected":[{"source":"osv","ecosystem":"crates.io","package":"pqcrypto-mlkem","ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"}]}]}],"references":[{"url":"https://crates.io/crates/pqcrypto-mlkem","tags":["package"]},{"url":"https://rustsec.org/advisories/RUSTSEC-2026-0161.html","tags":["advisory"]},{"url":"https://github.com/rustpq/pqcrypto/issues/97","tags":["report"]}],"sources":{"osv":[{"id":"RUSTSEC-2026-0161","title":"`pqcrypto-mlkem` is unmaintained: upstream PQClean project being archived","description":"This crate provides Rust bindings to ML-KEM (FIPS 203) via C implementations\nfrom [PQClean](https://github.com/PQClean/PQClean). The PQClean project is\nbeing archived in or after July 2026 (see [PQClean/PQClean#604](https://github.com/PQClean/PQClean/issues/604)),\nafter which no further security patches or bug fixes will be applied to the\nupstream implementations.\n\nAs a result, this crate will no longer receive updates. Users should migrate\nto the [`ml-kem`](https://crates.io/crates/ml-kem) crate, which provides a\npure-Rust implementation of ML-KEM (FIPS 203).","status":"published","published":"2026-06-04T12:00:00Z","modified":"2026-06-04T15:00:04.609930802Z","updated_at":"2026-11-02T15:53:40.430679Z"}]}}