Is Arc4 Safe?
Arc4 — Nerq Trust Score 46.2/100 (D grade). Based on analysis of 2 trust dimensions, it is has notable safety concerns. Last updated: 2026-07-28.
Exercise caution with Arc4. Arc4 is a npm package (rc4 stream cipher) with a Nerq Trust Score of 46.2/100 (D), based on 3 independent data dimensions. Below the recommended threshold of 70. Security: 90/100. Popularity: 0/100. Data sourced from npm registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. Last updated: 2026-03-25. Machine-readable data (JSON).
Is Arc4 safe?
NO — USE WITH CAUTION — Arc4 has a Nerq Trust Score of 46.2/100 (D). It has below-average trust signals with significant gaps in security, maintenance, or documentation. Not recommended for production use without thorough manual review and additional security measures.
What is Arc4's trust score?
Arc4 has a Nerq Trust Score of 46.2/100, earning a D grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for Arc4?
Arc4's strongest signal is security at 90/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.
What is Arc4 and who maintains it?
| Author | hex7c0 |
| Category | npm Packages |
| Source | N/A |
Arc4 Across Platforms
Same developer/company in other registries:
Similar Npm by Trust Score
Safety Guide: Arc4
What is Arc4?
Arc4 is a Node.js package — rc4 stream cipher.
How to Verify Safety
Run npm audit to check for vulnerabilities. Review the package's GitHub repository for recent commits.
You can also check the trust score via API: GET /v1/preflight?target=arc4
Key Safety Concerns for Node.js package
When evaluating any Node.js package, watch for: dependency vulnerabilities, malicious packages, typosquatting.
Trust Assessment
Arc4 has a Nerq Trust Score of 46/100 (D) 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
- Arc4 has a Trust Score of 46/100 (D).
- Review carefully before use — below trust threshold.
- Always verify independently using the Nerq API.
Frequently Asked Questions
Is Arc4 Safe?
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Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.