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Security audit

Github Actions Optimizer

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward GitHub Actions optimization guide that reads workflow files and run history to produce improvement recommendations.

Install this if you want help reviewing GitHub Actions workflows. Expect it to read workflow files and, when available, GitHub Actions run metadata through the GitHub CLI; review any suggested workflow changes before applying them.

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
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • 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)

Vague Triggers

Medium
Confidence
92% confidence
Finding
The listed invocation examples include generic requests such as "Why are my CI builds so slow?" and "Reduce GitHub Actions costs," which are broad natural-language phrases rather than narrowly scoped triggers. The file does not provide exclusion conditions, trigger constraints, or negative examples to clarify when this skill should or should not activate.

Static analysis

No suspicious patterns detected.