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Security audit

blueprinter

Security checks for vulnerabilities and agentic risk

Overview

This skill is a benign guide for generating blueprint-style HTML/CSS diagrams, with no hidden execution or privileged behavior.

Installers should treat this as a style/helper skill for diagram output. Review generated HTML before publishing, and replace the language attribute or external font link if your diagram needs another locale or must avoid third-party font loading.

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 (1)

Natural-Language Policy Violations

Low
Confidence
91% confidence
Finding
The example template sets `<html lang="en">`, which forces English as the document language. For a general-purpose diagram skill, this is a natural-language locale choice without any documented user opt-in or justification.

Static analysis

No suspicious patterns detected.