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Security audit

Acronym Unpacker

Security checks for vulnerabilities and agentic risk

Overview

This is a small local medical acronym lookup skill with no evidence of network access, credential handling, persistence, or hidden high-impact behavior.

This skill appears safe to install from a security standpoint, but users should treat its medical expansions as limited reference output rather than clinical advice; it covers only a small built-in English acronym list and some documented features are not implemented.

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

Medium
Confidence
87% confidence
Finding
The markdown explicitly states 'English acronyms only,' which is a language constraint presented as a fixed limitation. The file does not offer a user language choice or explain a justified region-specific need for restricting the skill to English.

Static analysis

No suspicious patterns detected.