Framework Security Comparison: May 2026
Security posture comparison across 10 frameworks based on analysis of their respective repository ecosystems.
Methodology: Analysis performed using Repobility’s proprietary multi-dimensional scanning engine.
Security Scores by Framework
| Framework | Avg Security Score | Avg Vulnerabilities | Repos |
|---|---|---|---|
| Svelte | 97.0 | 0.0 | 1 |
| Vue.js | 85.1 | 4.2 | 5 |
| Django | 80.3 | 20.4 | 5 |
| Express | 79.7 | 8.2 | 11 |
| React | 77.7 | 6.3 | 25 |
| Axum | 70.5 | 8.8 | 6 |
| Flask | 69.0 | 13.4 | 7 |
| Actix | 68.2 | 9.3 | 3 |
| Next.js | 58.8 | 12.0 | 5 |
| FastAPI | 50.4 | 21.0 | 25 |
Top 5 Most Secure Frameworks
- Svelte — 97.0/100 (1 repos)
- Vue.js — 85.1/100 (5 repos)
- Django — 80.3/100 (5 repos)
- Express — 79.7/100 (11 repos)
- React — 77.7/100 (25 repos)
Bottom 5 by Security Score
- Axum — 70.5/100 (6 repos)
- Flask — 69.0/100 (7 repos)
- Actix — 68.2/100 (3 repos)
- Next.js — 58.8/100 (5 repos)
- FastAPI — 50.4/100 (25 repos)
Data sourced from Repobility’s continuous code intelligence platform analyzing 128,000+ repositories. Updated May 16, 2026.