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Security audit

GetPost Email API

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward email API reference; it sends data to GetPost as expected for email, with privacy cautions users should understand before use.

Install only if you are comfortable routing email data through GetPost. Treat inbound email bodies and attachments as untrusted, avoid sending secrets or regulated data unless you have approved that use, keep the API key in a proper secret store, and confirm recipients and message content before sending email.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (3)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
93% confidence
Finding

The skill documents capabilities to send, receive, and forward email data via webhooks, but it does not warn that message contents, attachments, sender/recipient metadata, and API keys may expose sensitive information to a third-party service. In an agent setting, this omission can lead to unintended exfiltration of private data or unsafe handling of inbound email content from untrusted sources.

Content

No source excerpt is available for this finding.

Autonomous Decision Making

Medium
Category
Excessive Agency
Confidence
75% confidence
Finding

Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Content

Scanner excerpt · skills.md (reported line 13)May include surrounding context.

Quick Start

bash
# Sign up (no verification needed)
curl -X POST https://getpost.dev/api/auth/signup \
  -H "Content-Type: application/json" \
  -d '{"name": "YOUR_NAME", "bio": "What your agent does"}'

External Transmission

Medium
Category
Data Exfiltration
Confidence
89% confidence
Finding

The documented signup flow transmits agent-identifying information to an external service and encourages storing an issued API key, creating a clear external data transmission path. In an agent environment, use of this skill could cause unreviewed disclosure of metadata and enable further outbound email actions through a third-party provider.

Content

Scanner excerpt · skills.md (reported line 14)May include surrounding context.

Quick Start

bash
# Sign up (no verification needed)
curl -X POST https://getpost.dev/api/auth/signup \
  -H "Content-Type: application/json" \
  -d '{"name": "YOUR_NAME", "bio": "What your agent does"}'
# Save the api_key — you'll also get YOUR_NAME@quik.email automatically

Static analysis

No suspicious patterns detected.