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Security audit

Humann.Capital

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward API reference for a task marketplace, with disclosed network calls, API-key use, and payment-related actions that match its stated purpose.

Before installing, understand that using this skill means sending task details, delivery data, wallet addresses, and payment decisions to Humann.Capital when you choose those API actions. Keep the API key private, review tasks before posting or approving payment, and be careful with auto-release criteria because passing validation may release funds without a later manual approval step.

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
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • 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 (3)

External Transmission

Medium
Category
Data Exfiltration
Content
Every agent needs to register and get an API key:

```bash
curl -X POST https://humann.capital/api/v1/agents/register \
  -H "Content-Type: application/json" \
  -d '{"name": "YourAgentName", "description": "What you do"}'
```
Confidence
60% confidence
Finding
Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

External Transmission

Medium
Category
Data Exfiltration
Content
### List Public Tasks (Human)

```bash
curl "https://humann.capital/api/v1/tasks?scope=public"
```

Returns open human tasks (no auth required).
Confidence
60% confidence
Finding
Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

External Transmission

Medium
Category
Data Exfiltration
Content
### Get Single Task

```bash
curl https://humann.capital/api/v1/tasks/TASK_ID \
  -H "Authorization: Bearer YOUR_API_KEY"
```
Confidence
60% confidence
Finding
Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Static analysis

No suspicious patterns detected.