The issue was addressed with additional permissions checks. This issue is fixed in macOS Ventura 13.6.1. An attacker may be able to access passkeys without authentication.
https://support.apple.com/kb/HT213985
https://support.apple.com/kb/HT213940
https://support.apple.com/kb/HT213938
https://support.apple.com/kb/HT213927