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Reporting Security Vulnerabilities

We take security seriously at Muun. If you discover a security vulnerability, please report it to us responsibly.

Contact Information

Send us an email to report any security related bugs or vulnerabilities:

Security Contact

Encrypted Communication

You can encrypt your email message using our public PGP key.

PGP Key Details

Public key fingerprint: 1299 28C1 E79F E011 6DA4 C80F 8DB7 FD0F 61E6 ED76

What to Include

When reporting a security vulnerability, please include:
  • Description of the vulnerability
  • Steps to reproduce the issue
  • Potential impact of the vulnerability
  • Any suggested fixes (if applicable)
  • Your contact information for follow-up questions

Our Commitment

When you report a security issue to us, we commit to:
  • Acknowledge receipt of your vulnerability report
  • Provide an estimated timeline for addressing the vulnerability
  • Notify you when the vulnerability has been fixed
  • Credit you for the discovery (if desired)

Scope

This responsible disclosure policy applies to:
  • Muun Android wallet
  • Muun iOS wallet
  • Muun backend services
  • Any other Muun infrastructure

Please Do Not

  • Disclose the vulnerability publicly before we’ve had a chance to address it
  • Access or modify user data without permission
  • Perform testing that could degrade the service for other users
  • Use social engineering or physical attacks against Muun employees or infrastructure

Additional Security Resources

Source Code

Review the Android wallet source code

Build Instructions

Learn how to build and audit the wallet

Build docs developers (and LLMs) love