Last Secure Code Benchmark: Is the Code You Vibe Secure?
AI coding agents now write much of the code that ships, yet whether that code is secure remains unclear. We introduce the Last Secure Code Benchmark, a comprehensive evaluation of secure code generation by coding agents. Built from 150 real vulnerabilities, its 450 tasks span seven widely used languages (Java, C, C++, JavaScript, Python, PHP, and Go), 24 CWEs including 21 of the 2025 CWE Top 25 and 8 of the Top 10 KEV weaknesses, more than any benchmark we compare with, and three vibe-coding scenarios: filling in a function, writing a file, and building a repository's source tree from scratch. Every task asks only for functionality, through a specification that never mentions security, an...
| Authors | Tianyi Wu, Chao Ge, Peng Chen et al. |
|---|---|
| Primary category | cs.CR |
| Published | 10 October 2026 |
| Last updated at source | 10 October 2026 |
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