VulnTrain

VulnTrain offers a suite of commands to generate diverse AI datasets and train models using comprehensive vulnerability data from Vulnerability-Lookup. It harnesses over one million JSON records from all supported advisory sources to build high-quality, domain-specific models.

Additionally, data from the vulnerability-lookup:meta container, including enrichment sources such as vulnrichment and Fraunhofer FKIE, is incorporated to enhance model quality.

Check out the datasets and models on Hugging Face:

For more information about the use of AI in Vulnerability-Lookup, please refer to the user manual.

Usage

Install VulnTrain:

$ pipx install VulnTrain

Three types of commands are available:

• Dataset generation: Create and prepare datasets.
• Model training: Train models using the prepared datasets.
  • Train a model to classify vulnerabilities by severity.
  • Train a model for text generation to assist in writing vulnerability descriptions
• Model validation: Assess the performance of trained models (validations, benchmarks, etc.).

Check out the documentation for more information.

How to cite

Bonhomme, C., & Dulaunoy, A. (2025). VLAI: A RoBERTa-Based Model for Automated Vulnerability Severity Classification (Version 1.4.0) [Computer software]. https://doi.org/10.48550/arXiv.2507.03607

@misc{bonhomme2025vlai,
    title={VLAI: A RoBERTa-Based Model for Automated Vulnerability Severity Classification},
    author={Cédric Bonhomme and Alexandre Dulaunoy},
    year={2025},
    eprint={2507.03607},
    archivePrefix={arXiv},
    primaryClass={cs.CR}
}

License

VulnTrain is licensed under GNU General Public License version 3

Copyright (c) 2025-2026 Computer Incident Response Center Luxembourg (CIRCL)
Copyright (C) 2025-2026 Cédric Bonhomme - https://github.com/cedricbonhomme
Copyright (C) 2025 Léa Ulusan - https://github.com/3LS3-1F