OpenCV: Open source computer vision library that provides powerful image processing and computer vision capabilities with support for multiple programming languages.

TensorFlow: A powerful open source software library for deep neural networks for processing machine learning models.

PyTorch is an open source Python machine learning library for applications such as natural language processing. It mainly provides two advanced features: powerful GPU$-$accelerated tensor computing capabilities; A powerful neural network library for building and training neural networks

Flask: A library for creating Web interfaces

Django: Library for creating Web interfaces

The above $5$ databases are how to achieve face recognition vulnerability analysis. It is suggested to draw a model of their relationship and explain their role in face recognition vulnerabilities respectively