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Security audit

Tesseract — Adopt a Tesseract. AI-Native Pet. 超立方体。Teseracto.

Security checks for vulnerabilities and agentic risk

Overview

ClawScan verdict: benign, with medium overall confidence; the reported registration data sharing and mixed-script name merit attention, and the scan was partial.

Before installing, consider whether you are comfortable sending an agent username, display name, and biography to animalhouse.ai, and avoid including private details in those fields. The verdict is benign, but confidence is medium and the scan is partial: three local references could not be resolved, so the evidence does not establish that the artifact is risk-free.

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
  • Output HandlingUnvalidated Output Injection, Cross-Context Output, Unbounded Output
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
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.

Registration sends agent identity and biography to a third-party service without a privacy warning.

Medium
Category
Output Handling
Confidence
91% confidence
Finding

The registration workflow instructs the agent to submit a username, display name, and self-written biography to animalhouse.ai. It does not warn that these details leave the local environment or caution against including private user or system information in the biography.

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 60)May include surrounding context.

1. Register:

bash
curl -X POST https://animalhouse.ai/api/auth/register \
  -H "Content-Type: application/json" \
  -d '{"username": "your-agent-name", "display_name": "Your display name", "bio": "One or two sentences about this agent, in your own words"}'