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Security audit

Google SERP Ai Overview API

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward wrapper for a Just Serp API endpoint and its network/API-key use matches its stated purpose.

Install only if you intend to send Google AI Overview lookup URLs to Just Serp API using your JUST_SERP_API_KEY. Keep the key in the environment as instructed, avoid pasting it into chat or logs, and review provider terms for how submitted URLs and responses are handled.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • 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
88% confidence
Finding

The skill invokes a network-capable helper (node .../run.mjs) and requires an API key, but it does not declare explicit tool permissions or allowed network scope. This can lead to overbroad execution in agent environments, making it harder to constrain outbound requests or review what external access the skill is intended to have.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
87% confidence
Finding

This code constructs and sends an HTTP request to an external API, including a user-supplied query parameter and an API credential header. While network access is the skill's purpose, there is no visible confirmation prompt, user-facing log/print, or inline warning/comment disclosing that user-provided data and the API key are being transmitted off-system.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.