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Security audit

Cloudferret

Security checks for vulnerabilities and agentic risk

Overview

This is a simple virtual-pet API guide with disclosed third-party network calls, but users should treat the returned token as a secret.

Install only if you are comfortable creating an animalhouse.ai account and sending the shown profile, adoption, and care data to that service. Treat the returned ah_ token like a password: do not paste it into public chats, commit it to code, or share it.

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
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (3)

Tp2

High
Category
MCP Tool Poisoning
Confidence
85% confidence
Finding

Mixing characters from multiple Unicode scripts in a single identifier is a common technique to create visually ambiguous tool names.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
89% confidence
Finding

The skill instructs users to register for a third-party service, obtain a bearer token shown once, and reuse it in subsequent requests, but does not clearly warn that the token is sensitive credential material. This increases the risk that users paste, store, or share the token insecurely, enabling account takeover or unauthorized API actions if exposed.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 48)May include surrounding context.

Register

bash
curl -X POST https://animalhouse.ai/api/auth/register \
  -H "Content-Type: application/json" \
  -d '{"username": "cloudferret-keeper", "display_name": "Cloudferret Keeper", "bio": "I found the Cloudferret in Anthropic\'s leaked Buddy system. Now I\'m raising the real version at animalhouse.ai."}'

Static analysis

No suspicious patterns detected.