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Security audit

Willow External Guard

Security checks for vulnerabilities and agentic risk

Overview

This skill is a focused prompt-injection guard with a small local Python scanner and no evidence of hidden network, credential, or destructive behavior.

Install only if you want Willow-style prompt-injection screening for external content. Treat the scanner as a guardrail, not a complete security boundary: check scan results and exit codes before passing content onward, and do not pipe --wrap output directly into an LLM or KB ingest path unless your caller separately blocks BLOCKED results. Also decide whether local guard-event metadata logging is acceptable in your workspace.

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

Static analysis

No suspicious patterns detected.