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Security audit

Vercel Composition Patterns

Security checks for vulnerabilities and agentic risk

Overview

This is a documentation-only React composition guidance skill with no executable behavior, persistence, credential handling, or hidden authority.

Install this if you want agents to apply React composition and React 19 component patterns. It may influence refactoring choices, but the reviewed artifacts are documentation-only and do not add runtime privileges or automatic 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
  • Memory PoisoningPersistent Context Injection, Context Window Stuffing, Memory Manipulation
  • 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)

Memory Manipulation

High
Category
Memory Poisoning
Confidence
80% confidence
Finding

Skill manipulates agent memory, state, or stored context. Memory corruption can alter personality, override safety rules, or cause unpredictable behavior.

Content

Scanner excerpt · README.md (reported line 28)May include surrounding context.

md
### State Management (HIGH)

- `state-lift-state.md` - Lift state into provider components
- `state-context-interface.md` - Define clear context interfaces
  (state/actions/meta)
- `state-decouple-implementation.md` - Decouple state management from UI

Static analysis

No suspicious patterns detected.