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Security audit

codebase-explainer

Security checks for vulnerabilities and agentic risk

Overview

This skill is a codebase documentation helper that transparently reads the repository and creates or refreshes an onboarding file.

Install this if you want a persistent onboarding document generated from your repository. Expect it to read project files and create or refresh ONBOARDING.md; for private repositories, only use the optional ShareOnboardingGuide upload if you are comfortable sharing that generated guide externally.

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)

Missing User Warnings

Low
Category
Not specified by scanner
Confidence
93% confidence
Finding

The skill instructs the agent to write or refresh ONBOARDING.md as part of normal execution, but it does not require an explicit warning or confirmation before modifying repository files. This can cause unexpected workspace changes, especially when the user asked for an explanation rather than clearly consenting to file edits, creating integrity and workflow risks rather than a direct security compromise.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.