Is Flysystem Safe?
Flysystem — Nerq Trust Score 60.8/100 (C+ grade). Based on analysis of 2 trust dimensions, it is generally safe but has some concerns. with 1 known vulnerabilities Last updated: 2026-04-03.
Use Flysystem with some caution. Flysystem is a PHP package with a Nerq Trust Score of 60.8/100 (C+), based on 3 independent data dimensions. It is below the recommended threshold of 70. Security: 80/100. Popularity: 100/100. Data sourced from packagist.org, GitHub, and NVD. Last updated: 2026-04-03. Machine-readable data (JSON).
Is Flysystem safe?
CAUTION — Flysystem has a Nerq Trust Score of 60.8/100 (C+). It has moderate trust signals but shows some areas of concern that warrant attention. Suitable for development use — review security and maintenance signals before production deployment.
What is Flysystem's trust score?
Flysystem has a Nerq Trust Score of 60.8/100, earning a C+ grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for Flysystem?
Flysystem's strongest signal is popularity at 100/100. 1 known vulnerabilities were identified. It has not yet reached the Nerq Verified threshold of 70+.
What is Flysystem and who maintains it?
| Author | league |
| Category | packagist |
| Stars | 13,933 |
| Source | N/A |
Similar Packagist by Trust Score
Compare
Safety Guide: Flysystem
What is Flysystem?
Flysystem is a PHP package — File storage abstraction for PHP.
How to Verify Safety
Run composer audit. Check packagist.org.
You can also check the trust score via API: GET /v1/preflight?target=league/flysystem
Key Safety Concerns for PHP packages
When evaluating any PHP package, watch for: dependency vulnerabilities, PHP compatibility.
Trust Assessment
Flysystem has a Nerq Trust Score of 61/100 (C+) and has not yet reached Nerq trust threshold (70+). This score is based on automated analysis of security, maintenance, community, and quality signals.
Key Takeaways
- Flysystem has a Trust Score of 61/100 (C+).
- Review carefully before use — below trust threshold.
- Always verify independently using the Nerq API.
Detailed Score Analysis
| Dimension | Score |
|---|---|
| Security | 80/100 |
| Privacy | 80/100 |
| Reliability | 90/100 |
| Transparency | 50/100 |
| Maintenance | 60/100 |
Based on 5 dimensions. Data from packagist.org, GitHub, and NVD.
What data does Flysystem collect?
Flysystem is a PHP package maintained by league. It receives approximately 636,200,201 weekly downloads.
As a development package, Flysystem does not directly collect end-user personal data. However, applications built with it may collect data depending on implementation. Privacy score: 80/100.
Review the package's dependencies for potential supply chain risks. Run your package manager's audit command regularly.
Full analysis: Flysystem Privacy Report · Privacy review
Is Flysystem secure?
Security score: 80/100. This meets the recommended security threshold for production use.
Nerq monitors this entity against NVD, OSV.dev, and registry-specific vulnerability databases for ongoing security assessment.
Full analysis: Flysystem Security Report
How we calculated this score
Flysystem's trust score of 60.8/100 (C+) is computed from packagist.org, GitHub, and NVD. The score reflects 5 independent dimensions: security (80/100), privacy (80/100), reliability (90/100), transparency (50/100), maintenance (60/100). Each dimension is weighted equally to produce the composite trust score.
Nerq analyzes over 7.5 million entities across 26 registries using the same methodology, enabling direct cross-entity comparison. Scores are updated continuously as new data becomes available.
This page was last reviewed on April 03, 2026. Data version: 1.0.
Full methodology documentation · Machine-readable data (JSON API)
Frequently Asked Questions
Is Flysystem safe to use?
What is Flysystem's trust score?
What are safer alternatives to Flysystem?
Does Flysystem have known vulnerabilities?
How actively maintained is Flysystem?
Popular in packagist
Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.