Navigating (in)Security of AI-Generated Code
Bibliographic record
Abstract
The increasing use of large language models (LLMs) such as OpenAI's ChatGPT and Google's Bard in the software development industry raise questions about the security of generated code. Our research evaluates Java, C, and Python code samples that were generated by these LLMs. In our investigation, we assessed the consistency of code samples generated by each LLM, characterized the security of generated code, and asked both LLMs to evaluate and fix the weaknesses of their own generated code as well as the code of the other LLM. Using 133 unique prompts from Google Code Jam competitions, we produced 3,854 code samples across three distinct programming languages. We found that the code produced by these LLMs is frequently insecure and prone to weaknesses and vulnerabilities. This concerns human developers who must exercise caution while employing these LLMs.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".