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com.etoro.openbook · Build 651.1334.1

Analysis: partial. Coverage is incomplete or unknown; missing findings cannot establish safety. A grade is not a guarantee of safety. Historical verification does not establish current reachability.

Grade / score
Not graded
Finding categories
9
Occurrences
38
Scanned
2026-10-08T16:50:47.712Z
Document issued
2026-10-13T17:57:49.796Z
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 · 28 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.amazonaws.com/███ · Historical verification at scan time
  • https://██████████████.s3.eu-central-1.amazonaws.com/███
  • https://████████████████.s3.amazonaws.com/███
  • https://████████████████.s3.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.amazonaws.com/███
  • https://████████████████.s3.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.amazonaws.com/███
  • https://████████████████.s3.amazonaws.com/███
  • https://████████.s3-eu-west-1.amazonaws.com/███
  • https://████████████████.s3.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
  • https://████████████████.s3.eu-west-1.amazonaws.com/███
Application data is backup-enabled · info · 1 occurrence

Backup is on by default on Android; this manifest states it explicitly. If the app stores sensitive local data, define dataExtractionRules/fullBackupContent to exclude it, or set android:allowBackup=false.

CWE-530 · CWE-312 · MASVS-STORAGE-1 · MASVS-STORAGE-2

  • android:allowBackup="true"
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 401 unrelated developers) · low · 1 occurrence

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)
Firebase Storage bucket reference · low · 2 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

  • ████████████
  • ████████████
Sentry DSN · low · 1 occurrence

A client DSN is low-risk but confirm it is a client (not internal) DSN and cannot be abused to spoof events.

CWE-200 · MASVS-STORAGE-2

  • https://█████████████████.ingest.de.sentry.io/███
Hardcoded credentials in a URL (third-party library artifact, shared across 6 unrelated developers) · low · 1 occurrence

Remove the embedded username:password, rotate the credential, and authenticate to the endpoint with short-lived per-user tokens instead.

CWE-798 · MASVS-STORAGE-1 · MASVS-AUTH-1

  • •••••••• (21–40 chars, redacted)
Cleartext (HTTP) traffic permitted · medium · 1 occurrence

Set android:usesCleartextTraffic=false and/or a networkSecurityConfig that forbids cleartext; serve all endpoints over HTTPS.

CWE-319 · MASVS-NETWORK-1

  • android:usesCleartextTraffic="true"

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.No static findings · not a pass
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.Review signal
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.Review signal
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
5960958b-e8b7-4562-af43-38a8e54949a6
APK SHA-256
1c3022e70764f2539f9c7937fb75d5a0348279de5f11a437dcead5f4c8978416
Capsule SHA-256
0fb9bcac63f542e7d97ddc4b3cd41183e6595b50b0d0d9825a1da4f2cea34336
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.