SuperTank App - Security & Code Audit Report

Project: SuperTank Mobile Application
Version: 1.20.0
Platform: Flutter (Android & iOS)
Audit Date: 25/11/2025
Auditor: Jonas Ockerman
Audit Type: Comprehensive Security & Code Quality Audit


Executive Summary

This audit report documents findings from a comprehensive review of the SuperTank mobile application codebase. The audit covers security, code quality, testing, dependencies, performance, and compliance aspects of the Flutter-based Android and iOS application.

Overall Risk Level: High Risk

Key Highlights:

  • Critical Security Issue: Sensitive files (certificates, private keys, keystores) stored directly in repository - Immediate security risk requiring credential rotation
  • Critical Network Security: Certificate validation can be disabled via remote configuration, creating significant security vulnerability
  • Data Storage Risk: Authentication tokens and sensitive user data stored in plain text in SQLite database
  • Testing Gap: Need to assess test coverage and testing infrastructure
  • Code Quality: Need to review architecture, dependencies, and build pipeline

Table of Contents

  1. Security Assessment
  2. Code Quality & Architecture
  3. Dependencies & Third-Party Libraries
  4. Performance & Optimization
  5. CI/CD & Build Pipeline
  6. Testing & Quality Assurance
  7. Documentation
  8. User Experience
  9. Recommendations & Action Items
  10. Appendices