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Security audit

NetEase Enterprise Mail

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed NetEase Enterprise Mail connector skill, with clear action labels and confirmation requirements for write and delete operations, though users should be cautious with its CLI install instructions.

Before installing, understand that this skill can read mail, send replies or new messages, move or mark messages, download attachments, and delete messages from the connected NetEase Enterprise Mail account. Confirm any send, move, mark, or delete payload carefully, and verify the oo CLI installation source before running remote installer commands.

SkillSpector

Vulnerability Patterns
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • 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
Findings (2)

External Script Fetching

High
Category
Supply Chain
Content
- **`oo: command not found`** — install the oo CLI (other platforms: <https://cli.oomol.com/install-guide.md>):

  ```bash
  curl -fsSL https://cli.oomol.com/install.sh | bash    # macOS / Linux
  ```

  ```powershell
Confidence
97% confidence
Finding
The skill instructs users to install software via a remote script piped directly into a shell, which executes unreviewed code fetched at runtime. If the install endpoint, CDN, TLS trust chain, or distribution process is compromised, this can lead to arbitrary code execution on the host running the skill.

Vague Triggers

Medium
Confidence
96% confidence
Finding
The description says to use this skill for any NetEase Enterprise Mail task and whenever a task involves NetEase Enterprise Mail, which is a very broad activation condition. It does not provide constraints, exclusions, or negative examples to clarify when the skill should not be invoked.

Static analysis

No suspicious patterns detected.