{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0.0.0-0"}],"component":"cosmian_kyber","cve_ids":[],"ecosystem":"crates.io","exploited":false,"fixed_versions":[],"id":"tcs_01M5KFC7724H5VKN47XMTS7J8P","modified_at":"2026-09-18T09:15:05.126703653Z","published_at":"2026-08-16T12:00:00Z","references":["https://osv.dev/vulnerability/RUSTSEC-2026-0288","https://crates.io/crates/cosmian_kyber","https://rustsec.org/advisories/RUSTSEC-2026-0288.html","https://github.com/Cosmian/kyber/pull/6"],"severity":{"label":"high","score":7.4},"sources":[{"source":"osv","source_id":"RUSTSEC-2026-0288","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0288"}],"summary":"cosmian_kyber: AVX2 backend skips Fujisaki-Okamoto implicit rejection, enabling chosen-ciphertext key recovery"}