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Security audit

Agent Passport

Security checks for vulnerabilities and agentic risk

Overview

This skill is a small, disclosed guide for using a third-party agent-passport API, with no hidden code, persistence, or local privilege changes.

Before installing, be comfortable using SputnikX as a third-party service: registration sends the agent identifier and display name you provide, may return an API key you should treat as sensitive, and some verification endpoints are described as paid. There is no evidence of hidden local access or automatic background behavior in the inspected artifact.

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 (1)

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 18)May include surrounding context.

Register Agent & Get Passport (free)

bash
curl -X POST https://soul.sputnikx.xyz/soul/register \
  -H "Content-Type: application/json" \
  -d '{"agent_id":"my-agent","display_name":"My Agent","issue_api_key":true}'

Static analysis

No suspicious patterns detected.