Security analysis: MetaMask Developer - Extend MetaMask by building Snaps

Case summary

The target, observed result, and important findings.

Status
Current evaluation: Limited evidence: function fingerprint limit, interaction limit
Findings: 6High
Impersonated brand: MetaMaskOther cases impersonating MetaMask Search for this value.
Submitted URL: https://metamask.com/developer/snaps Search for this value.
Domain registration: metamask.comMore than 90 days oldRegistered 2005-01-28 · Registrar Cloudflare, Inc.
Language: Detecting...
Network: 142 requests across 10 hosts
Cookies: 20 observed
Favicon: 8a1e0e6b…2d0c819b Search for this value.
Infrastructure: Loading...
Behavior: 0 recorded events
Interaction: 4 actions · 2 submissions · stopped: time limit
1. fillsucceededemail | email | Email* | Email address
2. submitsucceededNext slide [dispatched]
3. fillsucceededemail | email | Email* | Email address
4. submitsucceededNext slide [dispatched]

The summary page has no captured screenshot.

How and when the analysis ran.

Detected findings grouped by risk

Network requests grouped by resource type

Recorded actions grouped by type

Requests to the most active hosts

First-party and third-party requests

Network responses grouped by MIME type

Response declarations and context-wide browser observations. Navigation identifies where a jar was inspected, not which page set each cookie.

HTTP headers: complete

Browser snapshots: complete

Browser collection history

document_ready · 2026-10-28T05:48:31.897525Z · navigation 0
Collection: complete
dom_ready · 2026-10-28T05:48:31.916710Z · navigation 0
Collection: complete
network_idle · 2026-10-28T05:48:34.478767Z · navigation 0
Collection: complete
pre_interaction · 2026-10-28T05:48:34.565166Z · navigation 0
Collection: complete
interaction-00-before · 2026-10-28T05:48:48.428895Z · navigation 0
Collection: complete
interaction-00-after · 2026-10-28T05:49:04.896085Z · navigation 0
Collection: complete
interaction-01-before · 2026-10-28T05:49:18.347098Z · navigation 0
Collection: complete
interaction-01-after · 2026-10-28T05:49:34.535288Z · navigation 0
Collection: complete
final · 2026-10-28T05:49:34.689026Z · navigation 0
Collection: complete
settled · 2026-10-28T05:49:34.728442Z · navigation 0
Collection: complete