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Flask vs Drupal

Security & risk comparison · Updated June 2026

How does Flask compare to Drupal 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

Flask scores 63/100 overall versus Drupal's 41/100. Flask has 30 total CVEs compared to Drupal's 1200, giving it a smaller vulnerability surface. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

63
Flask
Modern · PYTHON
vs
41
Drupal
Legacy · PHP
Dimension-by-dimension breakdown
security Flask
75
35
Flask
Drupal
performance Tie
65
65
Flask
Drupal
ecosystem Flask
50
40
Flask
Drupal
ai readiness Flask
70
40
Flask
Drupal
developer experience Flask
70
40
Flask
Drupal
market trajectory Flask
40
35
Flask
Drupal
cost of ownership Flask
60
35
Flask
Drupal
Security details
Metric Flask Drupal
Total CVEs 30 1200
Critical CVEs 3 89
Exploited (KEV) 0 8
CVEs last year 5 120
Avg CVSS 4.8 6.5
Security score 75/100 35/100
Acceptable
Flask

Flask scores 64/100. Verdict: Acceptable.

Caution
Drupal

Drupal scores 42/100. Consider migrating to: nextjs, django, laravel.

Alternatives: nextjs, django, laravel

Quick facts
Flask
Category: Backend
Language: PYTHON
First release: 2010
Generation: Modern
Trend: Stable
Market share: 0.5%
Drupal
Category: Cms
Language: PHP
First release: 2001
Generation: Legacy
Trend: Stable
Market share: 1.5%
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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.