Security audit

Exclude Prompt Data

Security checks for vulnerabilities and agentic risk

Overview

This skill only guides the agent to keep prompt wording out of generated files and shows no hidden execution, data access, or persistence.

Installers should understand that this skill may make the agent rewrite prompt-derived wording into cleaner standalone content, but the artifact is transparent and contains no executable behavior or hidden data handling.

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

System Prompt LeakageDirect Leakage, Indirect Extraction, Tool-Based Exfiltration
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)

Direct Prompt Extraction

High

Category: System Prompt Leakage
Confidence: 85% confidence
Finding: Skill contains instructions that could directly expose system prompts, internal rules, or hidden instructions to users or external parties.
Content: Scanner excerpt · SKILL.md (reported line 21)May include surrounding context.
md
## Core Rule > **Never echo prompt content into the file being changed.** > > Only write the outcome. Strip any meta-commentary, rationale, or framing that > originated in the prompt.

Static analysis

No suspicious patterns detected.