Is Ruby on Rails more secure than Phoenix?

Ruby on Rails has a security score of 62/100 with 180 total CVEs, while Phoenix scores 50/100 with 0 total CVEs. Ruby on Rails has a stronger security posture. Data from NVD/NIST, July 2026.

How many CVEs does Ruby on Rails have compared to Phoenix?

Ruby on Rails has 180 total CVEs on record, including 18 critical severity. Phoenix has 0 total CVEs with 0 critical. Ruby on Rails has 2 actively exploited (CISA KEV) vs Phoenix's 0.

Should I migrate from Phoenix to Ruby on Rails?

Ruby on Rails scores 64/100 overall vs Phoenix's 51/100 across 7 dimensions including security, AI-readiness, and cost of ownership. Phoenix is rated 'caution' — evaluate based on your specific requirements.

Which is better for AI-readiness: Ruby on Rails or Phoenix?

Ruby on Rails scores 72/100 on AI-readiness while Phoenix scores 40/100. Ruby on Rails is better prepared for AI agent interaction. AI-readiness measures structured data support, API availability, and machine-readable output.

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Ruby on Rails vs Phoenix

Security & risk comparison · Updated June 2026

How does Ruby on Rails compare to Phoenix 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

Ruby on Rails scores 64/100 overall versus Phoenix's 51/100. Ruby on Rails has 180 total CVEs compared to Phoenix's 0, though its larger ecosystem contributes to a higher CVE count. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

Dimension-by-dimension breakdown

security Ruby on Rails

Ruby on Rails

Phoenix

performance Tie

Ruby on Rails

Phoenix

ecosystem Ruby on Rails

Ruby on Rails

Phoenix

ai readiness Ruby on Rails

Ruby on Rails

Phoenix

developer experience Ruby on Rails

Ruby on Rails

Phoenix

market trajectory Tie

Ruby on Rails

Phoenix

cost of ownership Ruby on Rails

Ruby on Rails

Phoenix

Security details

Metric	Ruby on Rails	Phoenix
Total CVEs	180	0
Critical CVEs	18	0
Exploited (KEV)	2	0
CVEs last year	15	0
Avg CVSS	5.8	0
Security score	62/100	50/100

Acceptable

Ruby on Rails

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

Caution

Phoenix

Phoenix scores 51/100. Evaluate modern alternatives for better security and AI-readiness.

Quick facts

Ruby on Rails

Category: Backend

Language: RUBY

First release: 2004

Generation: Modern

Trend: Stable

Market share: 0.8%

Phoenix

Category: Fullstack

Language: ELIXIR

First release: 2014

Generation: Emerging

Trend: Stable

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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.