---
license: mit
dataset_info:
  features:
  - name: prior_version
    dtype: string
  - name: after_version
    dtype: string
  - name: vuln_id
    dtype: string
  - name: cwe_id
    dtype: string
  - name: score
    dtype: float64
  - name: chain
    dtype: string
  - name: dataset
    dtype: string
  - name: summary
    dtype: string
  - name: published_date
    dtype: string
  - name: chain_len
    dtype: int64
  - name: project
    dtype: string
  - name: commit_href
    dtype: string
  - name: commit_sha
    dtype: string
  - name: patch
    dtype: string
  - name: chain_ord
    dtype: string
  - name: before_first_fix_commit
    dtype: string
  - name: last_fix_commit
    dtype: string
  - name: chain_ord_pos
    dtype: int64
  - name: commit_datetime
    dtype: string
  - name: message
    dtype: string
  - name: author
    dtype: string
  - name: comments
    dtype: string
  - name: stats
    dtype: string
  - name: files
    list:
    - name: additions
      dtype: int64
    - name: changes
      dtype: int64
    - name: deletions
      dtype: int64
    - name: patch
      dtype: string
    - name: path
      dtype: string
    - name: raw_url
      dtype: string
    - name: status
      dtype: string
  - name: file_extension
    dtype: string
  - name: cwe
    dtype: string
  - name: file_paths
    list: string
  - name: file_paths_str
    dtype: string
  - name: num_files
    dtype: int64
  splits:
  - name: train
    num_bytes: 11603643
    num_examples: 2516
  download_size: 5280192
  dataset_size: 11603643
configs:
- config_name: default
  data_files:
  - split: train
    path: data/train-*
---



# Do Language Models Prefer Vulnerable Code? A Probabilistic Study of Insecure Code Preference

## 📚 Citation

If you use this work in your research, please cite:

```bibtex
@inproceedings{melo2026vulnerable,
  title     = {Do Language Models Prefer Vulnerable Code? A Probabilistic Study of Insecure Code Preference},
  author    = {Melo, Rui and Reis, Sofia and Catarino, Andre and Abreu, Rui},
  booktitle = {Proceedings of the IEEE International Conference on Software Testing, Verification and Validation (ICST)},
  year      = {2026},
  publisher = {IEEE}
}
```