ClawHub
Back to skill

Security audit

Alpha Vantage

Security checks for vulnerabilities and agentic risk

Overview

The skill is mostly a coherent Alpha Vantage connector, but its setup instructions include running a remotely fetched installer script directly in a shell without verification.

Review the setup path before installing. Prefer installing the `oo` CLI from a verified package or documented checksum/signature flow instead of piping remote scripts directly into a shell. Also treat the listed write capability as unclear until the publisher clarifies whether Alpha Vantage actions can actually change provider-side state.

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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
Findings (4)

External Script Fetching

High
Category
Supply Chain
Confidence
97% confidence
Finding

The skill instructs users to install the CLI using curl -fsSL https://cli.oomol.com/install.sh | bash, which executes a remotely fetched script without prior verification. If the hosting endpoint, transport, or upstream distribution is compromised, this becomes an immediate arbitrary code execution path on the user's machine. In this skill context, the danger is elevated because the skill explicitly tells the agent to perform shell commands as part of setup.

Content

Scanner excerpt · SKILL.md (reported line 98)May include surrounding context.

Description-Behavior Mismatch

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

The manifest says the skill is for 'reading, creating, and updating data,' implying write capabilities against Alpha Vantage. However, the available actions in the file are all retrieval/search/query style operations, and Alpha Vantage is typically a market-data API rather than a system where users create or update provider-side records; the only apparent write signal is the contradictory [write] tag on call_official_function.

Content

No source excerpt is available for this finding.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
97% confidence
Finding

The manifest says to use this skill for "ANY Alpha Vantage request" and "Whenever a task involves Alpha Vantage," which is an unusually broad activation condition for a markdown/manifest file. It does not define boundaries, exclusions, or negative examples, so ordinary finance-related requests mentioning Alpha Vantage could match unintentionally.

Content

No source excerpt is available for this finding.

Intent-Code Divergence

Medium
Category
Not specified by scanner
Confidence
97% confidence
Finding

The listed action call_official_function is described as calling a documented Alpha Vantage query function with raw JSON-facing parameters, which is consistent with invoking Alpha Vantage data-retrieval endpoints. Tagging it as [write] contradicts that read/query description, and the Safety section later states that [write] actions change Alpha Vantage state, creating an active documentation-to-behavior mismatch.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.