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Security audit

National Standard Monitor Skill

Security checks for vulnerabilities and agentic risk

Overview

This skill coherently checks Chinese national standard updates and optionally downloads PDFs into a user-chosen work directory.

Install only if you are comfortable with the agent running the bundled Python script, contacting openstd.samr.gov.cn, and creating or updating JSON and PDF files in the directory you choose. Review the directory path before running downloads because the skill will write reports and downloaded standards there.

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
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • 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)

Undeclared Tool Scope

Medium
Category
MCP Least Privilege
Confidence
91% confidence
Finding

The skill instructs the agent to use Python, read and write local files, and access a remote website, but it does not declare any explicit tool scope or permissions. This creates a mismatch between documented capability boundaries and actual behavior, increasing the risk of over-broad agent execution, unintended filesystem modification, or unsanctioned network access if the runtime grants default tools.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The manifest description, title, trigger phrases, and operating instructions are all written in Chinese, and the file does not indicate that the skill is region-specific or that users may choose another language. This creates a natural-language policy concern because it effectively forces a specific language without user opt-in.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.