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Security audit

flashcard-forge

Security checks for vulnerabilities and agentic risk

Overview

Flashcard Forge is a coherent study tool that reads user-selected text and writes flashcard output without hidden network, credential, persistence, or privilege behavior.

Install this if you are comfortable running a local Python script on study files you choose. Use explicit input and output paths, avoid pointing it at unrelated private documents, and be aware that an existing output file may be overwritten if you reuse the same path.

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
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • 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 (1)

Lp3

Medium
Category
MCP Least Privilege
Confidence
93% confidence
Finding
The skill documentation describes reading input files and writing output CSV/JSON files, but it does not declare any explicit tool scope such as permissions or allowed-tools. This creates an authorization gap: an agent may be allowed to perform file reads and writes without clear restriction, increasing the chance of unintended access to sensitive files or overwriting user data when the skill is invoked on arbitrary paths.

Static analysis

No suspicious patterns detected.