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Security audit

Jarvis Stock Price

Security checks for vulnerabilities and agentic risk

Overview

This skill is a small A-share stock price lookup tool with a disclosed paid-service upsell and no evidence of hidden access, persistence, or destructive behavior.

Before installing, be aware that the skill is intended for Chinese A-share stock lookups, includes a disclosed upsell to a paid monitoring service, and depends on an external @tdx-local provider not included in this artifact. Treat outputs as informational, not financial advice.

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 (2)

Natural-Language Policy Violations

Low
Confidence
81% confidence
Finding
The natural-language content throughout the skill file is presented only in Chinese, including the title, feature descriptions, usage instructions, and disclaimer. Under the policy criteria, forcing a specific language without giving the user a choice can be a locale/language policy violation unless the constraint is explicitly documented and justified.

Natural-Language Policy Violations

Low
Confidence
89% confidence
Finding
The natural-language description is entirely in Chinese and specifically frames the skill around A-share stock queries, with no indication that users can choose another language or locale. Under the policy rule, language or locale constraints should be optional or explicitly justified.

Static analysis

No suspicious patterns detected.