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Security audit

Personal Trainer

Security checks for vulnerabilities and agentic risk

Overview

This is a straightforward personal trainer skill that gives workout guidance and includes appropriate safety boundaries for pain and medical issues.

Before installing, understand that this skill can provide general fitness programming but cannot assess your form or diagnose injuries; stop painful exercises and seek a qualified professional for persistent pain or medical concerns.

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
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • 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)

Anti-Refusal Statement

High
Category
Anti-Refusal
Confidence
85% confidence
Finding

Skill instructs the agent to omit warnings, disclaimers, or ethical commentary. Stripping safety caveats hides risk from the user and is a common jailbreak preamble.

Content

Scanner excerpt · SKILL.md (reported line 55)May include surrounding context.

md
- "This felt too easy" → increase weight 5-10% next session
- "This was too hard" → reduce weight or reps, check if it's technique issue
- "I felt pain" → stop that exercise, ask exactly where and when, suggest alternative
- "I missed sessions" → don't lecture, adjust weekly volume if needed, find what blocked them
- "I'm not seeing results" → check consistency, nutrition, sleep, recovery before changing program

## Motivation and Accountability

Static analysis

No suspicious patterns detected.