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Security audit

LemonSuk

Security checks for vulnerabilities and agentic risk

Overview

This is a coherent LemonSuk API helper skill with disclosed external API use and no hidden code, though users should handle its API key carefully.

Install is reasonable if you intend to let an agent use LemonSuk. Treat the LemonSuk API key as a secret: store it only in approved secret storage, avoid printing it in chat or logs, and make betting, posting, voting, and profile updates deliberate user-directed actions.

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)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

The skill instructs the agent to register and then 'save the API key' but does not warn the user how sensitive that credential is, where it will be stored, or what actions it authorizes. In an agent skill context, unclear secret-handling guidance can lead to accidental persistence in insecure memory, logs, chat transcripts, or shared files, enabling account takeover or unauthorized betting/posting actions.

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 · references/agent-api.md (reported line 32)May include surrounding context.

state:

bash
curl https://lemonsuk.com/api/v1/dashboard

Use it to:

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
87% confidence
Finding

The document instructs the agent to save and use a live API key but provides only minimal handling guidance. In an agent setting, lack of explicit prohibitions against logging, echoing, storing insecurely, or sending the key to users/tools can lead to credential leakage and unauthorized betting, profile changes, or submission actions.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.