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Security audit

Basque

Security checks for vulnerabilities and agentic risk

Overview

This is a simple Basque writing-style skill with no code, data access, persistence, or hidden behavior.

Install this if you want the agent to produce more casual, human-sounding Basque when the skill is invoked. Be aware it favors informal wording and some Spanish/French mixing, so review output when formal or standardized Basque is required.

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
94% confidence
Finding
The skill is defined as "Basque" and the description instructs the model to "Write Basque that sounds human," which imposes a language choice by default. The file does not indicate that the user can choose another language or opt into Basque output, so this is a language/locale policy concern.

Static analysis

No suspicious patterns detected.