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Security audit

Crypto Market

Security checks for vulnerabilities and agentic risk

Overview

This skill coherently provides cryptocurrency market analysis using public Binance data and news lookup, with no evidence of hidden persistence, credential access, trading, or destructive behavior.

Install this if you are comfortable with a skill that runs a local Python helper and contacts Binance public APIs and news websites for analysis. Treat its output as informational only, especially because the artifact itself says it is not investment 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
  • 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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (2)

Undeclared Tool Scope

Medium
Category
MCP Least Privilege
Confidence
89% confidence
Finding

The skill invokes exec to run a local Python script that can use environment-derived proxy settings and make outbound network requests, but the manifest does not declare an explicit tool scope such as permissions or allowed-tools. That creates an unnecessary trust gap: a host may permit broader execution/network behavior than users or reviewers expect, making misuse or future script changes harder to constrain.

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 and the entire instructional content are written exclusively in Chinese, which effectively constrains operation to a specific language without documenting any user choice or opt-in. Under the policy for natural-language violations, forcing a specific language or locale without user opt-in is in scope.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.