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Security audit

Echo Developer Guide

Security checks for vulnerabilities and agentic risk

Overview

This is a straightforward Markdown developer guide for AINative Echo account and payout APIs, with disclosed authenticated API examples but no hidden execution or local persistence.

Review the AINative API domain and only run the payout, markup, Stripe onboarding, or auto-payout examples when you intend to change that developer account. Treat the JWT token as sensitive and avoid pasting it into untrusted logs or shared code.

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
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 (17)

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 23)May include surrounding context.

python
import requests

requests.post(
    "https://api.ainative.studio/api/v1/echo/register",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"developer_name": "My App", "website": "https://myapp.com"}

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 58)May include surrounding context.

python
import requests

requests.post(
    "https://api.ainative.studio/api/v1/echo/register",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"developer_name": "My App", "website": "https://myapp.com"}

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 78)May include surrounding context.

python
import requests

requests.post(
    "https://api.ainative.studio/api/v1/echo/register",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"developer_name": "My App", "website": "https://myapp.com"}

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 90)May include surrounding context.

python
import requests

requests.post(
    "https://api.ainative.studio/api/v1/echo/register",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"developer_name": "My App", "website": "https://myapp.com"}

External Transmission

Medium
Category
Data Exfiltration
Confidence
70% 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 23)May include surrounding context.

python
import requests

requests.post(
    "https://api.ainative.studio/api/v1/echo/register",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"developer_name": "My App", "website": "https://myapp.com"}

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 24)May include surrounding context.

md
import requests

requests.post(
    "https://api.ainative.studio/api/v1/echo/register",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"developer_name": "My App", "website": "https://myapp.com"}
)

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 35)May include surrounding context.

md
import requests

requests.post(
    "https://api.ainative.studio/api/v1/echo/register",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"developer_name": "My App", "website": "https://myapp.com"}
)

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 45)May include surrounding context.

md
import requests

requests.post(
    "https://api.ainative.studio/api/v1/echo/register",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"developer_name": "My App", "website": "https://myapp.com"}
)

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 59)May include surrounding context.

md
import requests

requests.post(
    "https://api.ainative.studio/api/v1/echo/register",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"developer_name": "My App", "website": "https://myapp.com"}
)

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 68)May include surrounding context.

md
import requests

requests.post(
    "https://api.ainative.studio/api/v1/echo/register",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"developer_name": "My App", "website": "https://myapp.com"}
)

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 79)May include surrounding context.

md
import requests

requests.post(
    "https://api.ainative.studio/api/v1/echo/register",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"developer_name": "My App", "website": "https://myapp.com"}
)

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 91)May include surrounding context.

md
import requests

requests.post(
    "https://api.ainative.studio/api/v1/echo/register",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"developer_name": "My App", "website": "https://myapp.com"}
)

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 101)May include surrounding context.

md
import requests

requests.post(
    "https://api.ainative.studio/api/v1/echo/register",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"developer_name": "My App", "website": "https://myapp.com"}
)

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 34)May include surrounding context.

python
# Set 25% markup (range: 0.0 to 0.40)
requests.put(
    "https://api.ainative.studio/api/v1/echo/markup",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"markup_rate": 0.25}

External Transmission

Medium
Category
Data Exfiltration
Confidence
70% 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 34)May include surrounding context.

python
# Set 25% markup (range: 0.0 to 0.40)
requests.put(
    "https://api.ainative.studio/api/v1/echo/markup",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"markup_rate": 0.25}

External Transmission

Medium
Category
Data Exfiltration
Confidence
70% 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 78)May include surrounding context.

python
# Minimum payout: $10
payout = requests.post(
    "https://api.ainative.studio/api/v1/echo/payout",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"amount": 50.00}

External Transmission

Medium
Category
Data Exfiltration
Confidence
70% 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 90)May include surrounding context.

python
# Enable weekly automatic payouts
requests.post(
    "https://api.ainative.studio/api/v1/echo/settings/auto",
    headers={"Authorization": f"Bearer {jwt_token}"},
    json={"enabled": True, "minimum_amount": 10.00, "schedule": "weekly"}