Bitwarden Windows desktop application versions prior to v2023.4.0 store biometric keys in Windows Credential Manager, accessible to other local unprivileged processes.
github.com/bitwarden/clients
github.com/bitwarden/clients/blob/8b5a223ad4ca0f89b6c9bcdbddef464d1755d2c0/apps/desktop/desktop_native/src/biometric/windows.rs#L19
github.com/bitwarden/clients/blob/8b5a223ad4ca0f89b6c9bcdbddef464d1755d2c0/apps/desktop/desktop_native/src/password/windows.rs#L16
hackerone.com/reports/1874155