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Security audit

GitHub Actions Runtime Regression Audit

Security checks for vulnerabilities and agentic risk

Overview

This skill is a local GitHub Actions runtime report tool whose file reads and script execution match its stated purpose.

Install only if you are comfortable running a local bash/python script over GitHub Actions JSON exports. Use narrow BASELINE_GLOB and CURRENT_GLOB paths, preferably dedicated artifact directories, so unrelated local files are not parsed by mistake.

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
84% confidence
Finding

The skill reads user-specified local files via BASELINE_GLOB and CURRENT_GLOB, but it does not declare any explicit tool scope such as permissions or allowed-tools. Even though the documented purpose is legitimate, the absence of scope constraints can permit broader file access than intended if the runner or agent framework relies on manifest-declared permissions for enforcement.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.