{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0.0.0-0"}],"component":"pqc_kyber","cve_ids":[],"ecosystem":"crates.io","exploited":false,"fixed_versions":[],"id":"tcs_01M5KFC7QJD5N89EQQBEEDQFWH","modified_at":"2026-09-18T09:15:05.128982400Z","published_at":"2026-08-16T12:00:00Z","references":["https://osv.dev/vulnerability/RUSTSEC-2026-0290","https://crates.io/crates/pqc_kyber","https://rustsec.org/advisories/RUSTSEC-2026-0290.html","https://github.com/Argyle-Software/kyber/pull/121"],"severity":{"label":"high","score":7.4},"sources":[{"source":"osv","source_id":"RUSTSEC-2026-0290","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0290"}],"summary":"pqc_kyber: AVX2 backend skips Fujisaki-Okamoto implicit rejection, enabling chosen-ciphertext key recovery"}