Is Buttercup Safe?
Buttercup — Nerq Trust Score 56.5/100 (D grade). Based on analysis of 1 trust dimensions, it is has notable safety concerns. Last updated: 2026-04-01.
Use Buttercup with some caution. Buttercup is a software tool with a Nerq Trust Score of 56.5/100 (D), based on 3 independent data dimensions. It is below the recommended threshold of 70. Security: 70/100. Data sourced from multiple public sources including package registries, GitHub, NVD, OSV.dev, and OpenSSF Scorecard. Last updated: 2026-04-01. Machine-readable data (JSON).
Is Buttercup safe?
CAUTION — Buttercup has a Nerq Trust Score of 56.5/100 (D). 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 Buttercup's trust score?
Buttercup has a Nerq Trust Score of 56.5/100, earning a D grade. This score is based on 1 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for Buttercup?
Buttercup's strongest signal is security at 70/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.
What is Buttercup and who maintains it?
| Author | Unknown |
| Category | password_manager |
| Source | N/A |
Security Assessment
Encryption
Buttercup uses AES-256 (industry standard).
Based in Unknown. No published independent audit.
Similar Password Manager by Trust Score
Safety Guide: Buttercup
What is Buttercup?
Buttercup is a software — Buttercup is a free, open-source password manager. AES-256 encryption. Cross-platform. Syncs via Dropbox, Google Drive, WebDAV..
How to Verify Safety
Review the project for recent activity and known issues.
You can also check the trust score via API: GET /v1/preflight?target=Buttercup
Key Safety Concerns for softwares
When evaluating any software, watch for: maintenance status, security.
Trust Assessment
Buttercup has a Nerq Trust Score of 56/100 (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
- Buttercup has a Trust Score of 56/100 (D).
- Review carefully before use — below trust threshold.
- Always verify independently using the Nerq API.
Frequently Asked Questions
Is Buttercup safe to use?
What is Buttercup's trust score?
What are safer alternatives to Buttercup?
How often is Buttercup's safety score updated?
Can I use Buttercup in a regulated environment?
Popular in password_manager
Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.