Bitcoin Core forgot Passphrase I opened my bitcoin core wallet for the first time in nearly 7 years and do not remember ever setting a passphrase. The good news is I've got bitcoins in the account that I'd forgotten about, bad news is that without the passphrase, I can't send them anywhere to cash them out. 

Is there a way to access / hack the passphrase for Bitcoin Core?
So you have bitcoin-cli installed on your local computer? Does the command bitcoin-cli dumpprivkey "address" of an address you know related to the wallet lead to the private key you need?