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Security audit

travel-subsidy

Security checks for vulnerabilities and agentic risk

Overview

This Markdown-only skill gives a coherent, disclosed workflow for processing Chinese travel subsidy archives and does not show hidden execution, network access, persistence, or credential handling.

Install only if you intend to process the specified invoice and train-ticket archives for this reimbursement workflow. The skill will read and reorganize potentially sensitive travel and financial records, so use it with the intended files and review the generated spreadsheets before relying on the subsidy totals.

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 manifest description and usage instructions require exact Chinese filenames (`发票.zip`, `火车票.zip`), and the mandatory progress updates later in the document are all prescribed in Chinese. This imposes a specific language/locale on users without any opt-in or explicit justification that the skill is region-specific.

Static analysis

No suspicious patterns detected.