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Security audit

Cn Prefix Tool

Security checks for vulnerabilities and agentic risk

Overview

This skill is a simple local text-prefix helper with no evidence of hidden access, persistence, or data movement.

Safe to install for users who are comfortable with Chinese-language documentation and CLI help. Review the included promotional links separately if you choose to visit them, but the skill itself does not automatically contact those sites.

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
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 (2)

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
90% confidence
Finding

The natural-language content describing usage and behavior is presented exclusively in Chinese, which effectively forces a specific language for users without an explicit opt-in or justification. The policy allows locale constraints only when they are documented and justified or when users are given a choice.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
93% confidence
Finding

The file’s natural-language strings, including the module docstring, function docstring, argument parser description, and help text, are all hard-coded in Chinese. This imposes a specific language on users without any opt-in, alternative locale support, or justification that the skill is region-specific.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.