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Security audit

Auth Preflight Checklist

Security checks for vulnerabilities and agentic risk

Overview

This skill is a safety checklist for verifying authentication before auth-dependent work, with credential handling that is disclosed, scoped, and defensive.

Install this only if you want the agent to perform auth preflight checks. When it is used, review any proposed live probe, keep probes read-only or minimally safe, and do not allow secret values to be printed or shared.

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

Credential Access

High
Category
Privilege Escalation
Confidence
70% confidence
Finding

Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.

Content

Scanner excerpt · SKILL.md (reported line 24)May include surrounding context.

md
## Rule

Do not infer auth from configuration alone. Prove the same runtime that will do the work can access the credential and complete the smallest safe live action.

## Checklist

Static analysis

No suspicious patterns detected.