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Ruby on Rails vs Django

Security & risk comparison · Updated June 2026

How does Ruby on Rails compare to Django on security, AI-readiness, and total cost of ownership? We scored both across 7 dimensions using NVD/NIST CVE data, GitHub metrics, and our scan of 10M+ sites.

Key finding

Django scores 67/100 overall versus Ruby on Rails's 64/100. Django has 120 total CVEs compared to Ruby on Rails's 180, giving it a smaller vulnerability surface. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

64
Ruby on Rails
Modern · RUBY
vs
67
Django
Modern · PYTHON
Dimension-by-dimension breakdown
security Django
62
68
Ruby on Rails
Django
performance Tie
65
65
Ruby on Rails
Django
ecosystem Django
70
75
Ruby on Rails
Django
ai readiness Django
72
75
Ruby on Rails
Django
developer experience Tie
70
70
Ruby on Rails
Django
market trajectory Django
50
55
Ruby on Rails
Django
cost of ownership Tie
60
60
Ruby on Rails
Django
Security details
Metric Ruby on Rails Django
Total CVEs 180 120
Critical CVEs 18 12
Exploited (KEV) 2 1
CVEs last year 15 12
Avg CVSS 5.8 5.5
Security score 62/100 68/100
Acceptable
Ruby on Rails

Ruby on Rails scores 65/100. Verdict: Acceptable.

Acceptable
Django

Django scores 68/100. Verdict: Acceptable.

Quick facts
Ruby on Rails
Category: Backend
Language: RUBY
First release: 2004
Generation: Modern
Trend: Stable
Market share: 0.8%
Django
Category: Backend
Language: PYTHON
First release: 2005
Generation: Modern
Trend: Rising
Market share: 1.2%
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Data sourced from NVD/NIST CVE database, GitHub API, and WebPulse framework scanner. Scores calculated using a 7-dimension model covering security, performance, ecosystem health, AI-readiness, developer experience, market trajectory, and cost of ownership. Updated June 2026.