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Security audit

Memory Manager Skill

Security checks for vulnerabilities and agentic risk

Overview

This is a simple memory/reminder helper with no evidence of hidden execution, data exfiltration, credential access, or system persistence.

Before installing, treat this as a lightweight or demo-style memory helper rather than a reliable persistent reminder system. Avoid storing secrets or highly sensitive personal information unless the publisher adds clear retention, review, and deletion controls.

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
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (4)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
93% confidence
Finding

The invocation description is very broad and overlaps with common productivity and memory-related requests, which can cause the skill to activate for a wide range of everyday prompts. That increases the chance of unintended handling of sensitive personal information and user confusion about when data is being stored or acted on.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
97% confidence
Finding

The skill advertises storage of personal notes, reminders, and contextual triggers like time and location, but it does not warn users that personal information may be retained and processed. This creates a privacy risk because users may disclose sensitive data without understanding retention, context use, or the implications of location- and event-based reminders.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

The skill is designed to accept and store free-form user memories and reminders, which are likely to include sensitive personal data such as schedules, relationships, and locations. There is no consent flow, privacy notice, data minimization, access control, or retention policy, so if this storage were made persistent or integrated into a larger agent system, it could create privacy and data-handling risk.

Content

No source excerpt is available for this finding.

Intent-Code Divergence

Medium
Category
Not specified by scanner
Confidence
96% confidence
Finding

The user-facing fallback text says the skill can 'remember something, set a reminder, link memories, search for saved information, or list your reminders,' implying persistent management of previously saved data. However, handle_request creates a new MemoryManager instance at L079 for each call, which clears memories, reminders, and connections every time, so prior saves cannot be searched or listed across requests.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.