Yubikey 5に複製可能な脆弱性が発見されたらしい
YubiKeys are vulnerable to cloning attacks thanks to newly discovered side channel | Ars Technica
https://arstechnica.com/security/2024/09/yubikeys-are-vulnerable-to-cloning-attacks-thanks-to-newly-discovered-side-channel/
公式発表見つけたけど交換に応じるかは特に書いていないなー
Security Advisory YSA-2024-03 | Yubico
https://www.yubico.com/support/security-advisories/ysa-2024-03/