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Security audit

Email Decline Zh

Security checks for vulnerabilities and agentic risk

Overview

This is a simple Chinese business email drafting skill with no executable code, network behavior, persistence, or hidden security-relevant actions.

Installers should understand this skill is designed for Chinese-language decline emails. Review generated messages before sending, and only allow file writes when you explicitly want a draft saved.

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
  • 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
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (1)

Natural-Language Policy Violations

Medium
Confidence
95% confidence
Finding
The skill is named and described as a Chinese email-decline generator, and all usage/examples are written exclusively in Chinese with no indication that users may choose another language. This creates a natural-language locale policy concern because the skill appears to enforce a specific language without explicit user opt-in or documented justification.

Static analysis

No suspicious patterns detected.