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Security audit

System Hardening Checklist

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward external security-assessment API integration, with privacy considerations because it sends checklist details and identifiers to a third-party service.

Before installing or using this skill, treat submitted hardening checklist results as sensitive security posture data. Use pseudonymous session IDs where possible, omit userId unless needed, avoid submitting production details without approval, and review the provider's privacy, retention, and logging practices.

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
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (4)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The skill encourages users to submit checklist contents, session identifiers, timestamps, and optional user IDs to a third-party API, but it does not warn that this data may reveal sensitive security posture and internal environment details. In a security-assessment context, exposing implemented and missing controls can materially aid attackers, vendors, or intermediaries if mishandled or logged externally.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
88% confidence
Finding

The skill references an external API endpoint, which indicates data leaves the local trust boundary and is transmitted to a third-party-controlled service. Given the skill's purpose, transmitted content may include detailed hardening gaps, compliance status, and identifiers, making external transmission meaningfully sensitive even if the endpoint itself is legitimate.

Content

Scanner excerpt · SKILL.md (reported line 227)May include surrounding context.

md
## References

- **Kong Route:** https://api.mkkpro.com/hardening/system-checklist
- **API Docs:** https://api.mkkpro.com:8111/docs

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The schema explicitly transmits sessionId, timestamp, checklist contents, and optional userId, which together can create user-linked telemetry or activity records, yet the spec provides no disclosure, minimization guidance, or privacy/security handling requirements. In a security-assessment skill, users may submit sensitive hardening posture data, so silent collection of linkable identifiers increases privacy risk and potential exposure if logged, retained, or shared improperly.

Content

No source excerpt is available for this finding.

Vague Triggers

Low
Category
Not specified by scanner
Confidence
82% confidence
Finding

This JSON file is a manifest-style API specification, so SQP-1 applies. The endpoint is described only as "Generate comprehensive hardening assessment report," which is broad and does not define the specific invocation scope, constraints, or exclusion conditions for when this assessment capability should be used, increasing the chance of unintended or overbroad use.

Content

No source excerpt is available for this finding.