Insecure Deserialization
Insecure deserialization is a security vulnerability that can happen in computer programs. Serialization is a way to turn complicated data into a simpler form that can be saved or sent over the internet. The opposite of serialization is deserialization, which turns the simple form back into the complicated data.
The problem with insecure deserialization is that it allows bad guys to sneak harmful things into the data that is being deserialized. For example, they might add code to take over your computer, steal your passwords, or mess with your data. This can happen if the computer program doesn’t check the data that is being deserialized to make sure it is safe.
It’s important for programmers to be careful about insecure deserialization and to make sure their programs are checking the data for safety. Just like when you’re eating candy, you want to make sure it’s safe to eat before you take a bite!