Mailinator - Free, Disposable, Email

• Outcome: Review
• Latest audit: May 29, 2026 at 9:22 PM UTC
• Version:
  1.0.0

Overview

The skill is a coherent Mailinator email-access integration, but it under-warns users about sensitive public-inbox and account-recovery email handling.

Review before installing. Use this only for inboxes, domains, and test accounts you are authorized to inspect; treat links, reset emails, confirmation codes, SMTP logs, cached messages, and the Mailinator API token as sensitive. Verify the external npm package separately before running it.

SkillSpector

By NVIDIA

Vulnerability Patterns

• Data Exfiltration: External Transmission, Env Variable Harvesting, File System Enumeration
• Prompt Injection: Instruction Override, Hidden Instructions, Exfiltration Commands
• Privilege Escalation: Excessive Permissions, Sudo/Root Execution, Credential Access
• Supply Chain: Unpinned Dependencies, External Script Fetching, Obfuscated Code
• Excessive Agency: Unrestricted Tool Access, Autonomous Decision Making, Scope Creep

Findings (2)

Missing User Warnings

Medium

• Confidence: 90% confidence
• Finding: The skill explicitly promotes access to public Mailinator inboxes and email retrieval, but does not warn that these inboxes may contain sensitive third-party messages, tokens, or account-recovery content not intended for the user invoking the tool. In an AI-assisted workflow, that omission increases the risk of unauthorized collection, summarization, or redistribution of private data from publicly accessible but still sensitive mailboxes.

Missing User Warnings

Medium

• Confidence: 96% confidence
• Finding: The example prompts normalize actions such as finding password-reset emails and pulling confirmation codes without any authorization or safety caveat. In the context of an AI tool, these examples can directly steer users or agents toward account-recovery abuse, credential interception, or harvesting of sensitive verification artifacts from public or weakly controlled inboxes.

VirusTotal

64/64 vendors flagged this skill as clean.