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Security audit

GitHub Actions PR Gate Health Audit

Security checks for vulnerabilities and agentic risk

Overview

This skill is a focused local GitHub Actions report generator with no hidden network, persistence, credential, or destructive behavior found.

Install this if you want local reports over exported GitHub Actions run JSON. Keep RUN_GLOB limited to the intended artifacts directory, because broad globs could cause the report to read more local JSON files than necessary.

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)

Undeclared Tool Scope

Medium
Category
MCP Least Privilege
Confidence
95% confidence
Finding

The skill reads local JSON artifacts but does not declare any explicit tool scope such as permissions or allowed-tools. Even though the documented purpose is limited to auditing GitHub Actions run exports, the lack of scope declaration weakens least-privilege controls and can allow broader-than-expected file access if the execution environment grants it.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.