"Nearly all threshold ECDSA based TSS implementations are vulnerable to key extraction attacks despite having undergone multiple security audits."

TL,DR: Most MPC implementations appear to be vulnerable. Bitcoin users unaffected.

https://www.nobsbitcoin.com/verichains-discovers-critical-key-extraction-attacks-in-popular-threshold-signature-scheme-for-mpc-wallets-and-digital-asset-custody/