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Security audit

Courier

Security checks for vulnerabilities and agentic risk

Overview

This Courier skill is a disclosed connector wrapper with potentially powerful Courier actions, but its permissions and safeguards are coherent with its stated purpose.

Before installing, understand that this skill can send messages and change or delete Courier profiles and lists through your connected OOMOL account. Use it when you want the agent to manage Courier, and require exact target and payload confirmation before approving any write or destructive action.

SkillSpector

Vulnerability Patterns
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (1)

Vague Triggers

Medium
Confidence
89% confidence
Finding
The skill description says to use this skill for ANY Courier request, which is an overly broad activation scope that can trigger the skill on loosely related Courier mentions rather than clear, user-intended actions. Because this skill includes both read and state-changing/destructive operations, unintended invocation increases the chance of unnecessary data access or prompting toward writes/deletes in the wrong context.

Static analysis

No suspicious patterns detected.