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Security audit

Homestruk Lease Renewal

Security checks for vulnerabilities and agentic risk

Overview

The skill is coherent for lease-renewal work, but it can read tenant records and update rent/business files without clear confirmation safeguards.

Install only if you are comfortable with an agent reading local tenant/property/rent files and updating renewal-related business records. Before use, consider requiring explicit confirmation before writing drafts, changing rent-roll.json, or updating property status data.

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
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (2)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

The description mentions reading property and tenant data, but it does not explicitly warn that the skill also writes renewal drafts and updates shared records such as rent-roll.json and property status data. This weakens informed consent and increases the chance that a user invokes the skill without realizing it can modify shared operational data, which is especially sensitive in a property-management context involving tenant information.

Content

No source excerpt is available for this finding.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The invocation examples are very broad natural-language prompts like 'Any leases expiring soon?' and 'Time to renew [tenant name]?', which can be triggered during ordinary conversation without a clear indication that the user is invoking a data-accessing workflow. In this skill’s context, accidental activation could cause the agent to read sensitive tenant/property records and generate operational outputs, making the ambiguity security-relevant rather than merely a usability issue.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.