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Security audit

Healthchecks.io

Security checks for vulnerabilities and agentic risk

Overview

The skill is coherent for managing Healthchecks.io, but its setup instructions include running unverified remote installer scripts, so it should be reviewed before use.

Install only if you trust OOMOL and the oo CLI distribution path. Prefer a versioned or package-manager install path, inspect or verify installer contents before running them, and require explicit approval for Healthchecks.io create, update, pause, resume, or delete actions.

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
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (1)

External Script Fetching

High
Category
Supply Chain
Confidence
97% confidence
Finding

The skill instructs users to install the CLI by piping a remotely fetched script directly into a shell (curl ... | bash). This creates a supply-chain and remote-code-execution risk: if the hosting domain, TLS trust chain, distribution pipeline, or script contents are compromised, arbitrary code will run immediately on the user's machine. In this skill context, the danger is elevated because the installation step is presented as an official recovery path for command failures, which can normalize unsafe execution.

Content

Scanner excerpt · SKILL.md (reported line 65)May include surrounding context.

Static analysis

No suspicious patterns detected.