Is Cython Safe? Trust Analysis 2026

Nerq Trust Intelligence

Is Cython Safe?

Cython is a Python package with a Nerq Trust Score of 80.8/100 (A-). It is recommended for production use. Security: 90/100. Popularity: 100/100. Data sourced from PyPI registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. Last updated: 2026-03-22. Machine-readable data (JSON).

Is Cython safe?

YES — Cython has a Nerq Trust Score of 80.8/100 (A-). It meets Nerq's trust threshold with strong signals across security, maintenance, and community adoption. Recommended for production use — review the full report below for specific considerations.

Trust Score Breakdown

Security

90

Popularity

100

Key Findings

✓Security score: 90/100 (strong)

⚠Popularity: 100/100 — community adoption

Details

Author	Robert Bradshaw, Stefan Behnel, David Woods, Greg Ewing, et al.
Category	pypi
Source	N/A

Safety Guide: Cython

What is Cython?

Cython is a Python package — The Cython compiler for writing C extensions in the Python language..

How to Verify Safety

Run pip audit or safety check. Review on PyPI for download stats.

You can also check the trust score via API: GET /v1/preflight?target=cython

Key Safety Concerns for Python packages

When evaluating any Python package, watch for: dependency vulnerabilities, malicious uploads, maintenance status.

Trust Assessment

Cython has a Nerq Trust Score of 81/100 (A-) and meets Nerq trust threshold. This score is based on automated analysis of security, maintenance, community, and quality signals.

Key Takeaways

Cython has a Trust Score of 81/100 (A-).
Recommended for use — passes trust threshold.
Always verify independently using the Nerq API.

Detailed Score Analysis

Dimension	Score
Security	90/100
Privacy	80/100
Popularity	100/100
Maintenance	60/100
Transparency	85/100

Based on 5 dimensions. Data from PyPI registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard.

What data does Cython collect?

Cython is a Python package maintained by Robert Bradshaw, Stefan Behnel, David Woods, Greg Ewing, et al.. 26,775,609 weekly downloads. License: Apache-2.0. As a development package, it does not directly collect end-user data. Privacy score: 80/100.

Full analysis: Cython Privacy Report · Privacy review

Is Cython secure?

Security score: 90/100. No known CVEs detected. License: Apache-2.0. Run your package manager's audit command for the latest findings.

Full analysis: Cython Security Report

How we calculated this score

Cython's trust score of 80.8/100 is computed from PyPI registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. The score reflects 5 dimensions: security, privacy, popularity, maintenance, transparency. Scores update as new data becomes available. Last reviewed: March 22, 2026.

Nerq methodology · Raw data (JSON)

Frequently Asked Questions

Is Cython safe to use?

cython has a Nerq Trust Score of 80.8/100 (A-). Strongest signal: popularity (100/100). Nerq Verified — meets the 70+ trust threshold. Score based on security (90/100), popularity (100/100).

What is Cython's trust score?

cython: 80.8/100 (A-). Score based on: security (90/100), popularity (100/100). Scores update as new data becomes available. API: GET nerq.ai/v1/preflight?target=cython

What are safer alternatives to Cython?

In the pypi category, more Python packages are being analyzed — check back soon. cython scores 80.8/100.

Does Cython have known vulnerabilities?

Nerq checks Cython against NVD, OSV.dev, and registry-specific vulnerability databases. Current security score: 90/100. Run your package manager's audit command for the latest findings.

How actively maintained is Cython?

Cython has a trust score of 80.8/100 (A-). Meets Nerq Verified threshold.

API: /v1/preflight Trust Badge API Docs

Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.