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Magic Tiles 3™ - Piano Game

com.youmusic.magictiles · Build 13.096.004

Analysis: complete. Static analysis completed for this build. A grade is not a guarantee of safety. Historical verification does not establish current reachability.

Grade / score
F · 0/100
Finding categories
7
Occurrences
28
Scanned
2026-10-08T20:23:16.216Z
Document issued
2026-10-14T10:10:16.755Z
Historical verifications
1

Finding evidence

Open a category to review its occurrences. Printing includes all categories and occurrences.

Amazon S3 bucket reference — confirmed publicly readable · critical · 17 occurrences

Confirm the bucket/database denies anonymous read (enable auth / storage rules / RLS), then audit its contents for data already exposed while it was open.

CWE-200 · CWE-284 · MASVS-STORAGE-2

  • https://████████.s3.ap-southeast-1.amazonaws.com/███ · Historical verification at scan time
  • https://██████████.s3.amazonaws.com/███
  • https://██████████.s3.amazonaws.com/███
  • https://█████████████████.amazonaws.com/███
  • https://████.amazonaws.com/███
  • https://████.amazonaws.com/███
  • https://████.amazonaws.com/███
  • https://████.amazonaws.com/███
  • https://████.amazonaws.com/███
  • https://████.amazonaws.com/███
  • https://██████████.s3.us-east-1.amazonaws.com/███
  • https://████.amazonaws.com/███
  • https://████.amazonaws.com/███
  • https://████.amazonaws.com/███
  • https://██████████.s3.amazonaws.com/███
  • https://██████████.s3.us-east-1.amazonaws.com/███
  • https://██████████.s3.amazonaws.com/███
Slack incoming webhook URL · high · 2 occurrences

Remove the hard-coded credential from the app package, rotate/revoke it immediately, and move the secret to a backend the app calls with per-user authentication.

CWE-798 · MASVS-STORAGE-1

  • https://█████.slack.com/███
  • https://█████.slack.com/███
Firebase Realtime Database reference · low · 1 occurrence

Confirm the bucket/database denies anonymous read (enable auth / storage rules / RLS), then audit its contents for data already exposed while it was open.

CWE-200 · CWE-284 · MASVS-STORAGE-2

  • https://███████████████.firebaseio.com/███
Google API key (client-shipped; restriction unverified) · low · 2 occurrences

Restrict the API key (application + API restrictions in Google Cloud Console); a client-shipped key is public, so restriction is the control.

CWE-798 · MASVS-STORAGE-1

  • AIza•••••••• (21–40 chars, redacted)
  • AIza•••••••• (21–40 chars, redacted)
Exported content provider without permission (third-party library artifact, shared across 403 unrelated developers) · low · 2 occurrences

Set android:exported=false, or require a signature-level android:permission, and scope grantUriPermissions narrowly.

CWE-926 · CWE-284 · MASVS-PLATFORM-1

  • FacebookContentProvider (exported, no permission)
  • PreloadInfoContentProvider (exported, no permission)
Firebase Storage bucket reference · low · 3 occurrences

Confirm the bucket/database denies anonymous read (enable auth / storage rules / RLS), then audit its contents for data already exposed while it was open.

CWE-200 · CWE-284 · MASVS-STORAGE-2

  • ████████████
  • ████████████
  • ████████████
Short signing key (RSA 1024-bit) · medium · 1 occurrence

Use an RSA key of at least 2048 bits or an EC P-256 key for signing.

CWE-326 · MASVS-CRYPTO-1

  • RSA-1024

Control coverage

Mapped static evidence does not establish a control pass. Manual assessment remains separate.

ControlRequirementRecorded status
MASVS-STORAGE-1The app securely stores sensitive data.Review signal
MASVS-STORAGE-2The app prevents leakage of sensitive data.Historical verification
MASVS-CRYPTO-1The app employs current strong cryptography and uses it according to best practices.Review signal
MASVS-CRYPTO-2The app performs key management according to best practices.No static findings · not a pass
MASVS-AUTH-1The app uses secure authentication and authorization protocols.Manual assessment
MASVS-AUTH-2The app performs local authentication securely.Manual assessment
MASVS-AUTH-3The app secures sensitive operations with additional authentication.Manual assessment
MASVS-NETWORK-1The app secures all network traffic according to current best practices.No static findings · not a pass
MASVS-NETWORK-2The app verifies the identity of the remote endpoint (e.g. certificate pinning).No static findings · not a pass
MASVS-PLATFORM-1The app uses IPC mechanisms securely.Review signal
MASVS-PLATFORM-2The app uses WebViews securely.No static findings · not a pass
MASVS-PLATFORM-3The app uses the user interface securely.Manual assessment
MASVS-CODE-1The app requires an up-to-date platform version.No static findings · not a pass
MASVS-CODE-2The app has a mechanism for enforcing updates.Manual assessment
MASVS-CODE-3The app only uses software components without known vulnerabilities.No static findings · not a pass
MASVS-CODE-4The app validates and sanitizes all untrusted inputs and follows secure-coding practice.No static findings · not a pass
MASVS-RESILIENCE-1The app validates the integrity of the platform.Manual assessment
MASVS-RESILIENCE-2The app implements anti-tampering mechanisms.Manual assessment
MASVS-RESILIENCE-3The app implements anti-static-analysis mechanisms.Manual assessment
MASVS-RESILIENCE-4The app implements anti-dynamic-analysis techniques.Manual assessment
MASVS-PRIVACY-1The app minimizes access to sensitive data and resources.No static findings · not a pass
MASVS-PRIVACY-2The app prevents identification of the user.No static findings · not a pass
MASVS-PRIVACY-3The app is transparent about data collection and usage.No static findings · not a pass
MASVS-PRIVACY-4The app offers user control over their data.Manual assessment
Build identity and signature
Scan ID
021a750d-4117-4a31-8c2b-66efeae1930a
APK SHA-256
504bbc6c6d9e1b92c8765ba9b42735745f7b705b901cba2760a1744dd3495ab7
Capsule SHA-256
d836e2a79d78789b7a95732ca4c8ec9a6cff97c749d81ff43a7de2ba4639e79f
Signing key
IE6LeZNX4dAAPLGr

Verify the signed JSON at apk-scanner.com/verify. This printed view is a presentation of the signed record; the JSON is the verification artifact.