https://thunderspy.io/According to a report (referenced above) the contents on your encrypted hard drive may be vulnerable to compromise if you have a thunderbolt port on your computer. Attackers will need physical access to your computer to copy its data, and doing so will only take a few minutes.
You can read about how to protect your computer
here and can read the research paper on the matter
here.
This attack is only applicable to computers manufactured prior to 2019 and the attack would generally need to be targeted to you specifically.
This is one additional example as to why it is important to guard against possible attackers gaining physical access to your computer.
