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Security audit

GitHub Safe Sync

Security checks across malware telemetry and agentic risk

Overview

This skill is a disclosed GitHub mirror-maintenance helper that can change repository state when explicitly run with a GitHub token.

Install this only if you want Codex to help manage safe-sync GitHub mirror repositories. Use a fine-grained GitHub token limited to the target repositories, run status before write actions, and review carefully before dispatching workflows, closing issues, or deleting backup branches.

SkillSpector

By NVIDIA
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)

Lp3

Medium
Category
MCP Least Privilege
Confidence
91% confidence
Finding
The skill instructs use of a sensitive environment variable (`GITHUB_TOKEN`) and performs networked operations against GitHub, but it does not declare permissions/capabilities explicitly. This creates a real security governance gap: agents or users may invoke a skill with broader access than intended, making token misuse, unintended repository writes, issue closure, branch deletion, or workflow dispatch harder to constrain and audit.

VirusTotal

64/64 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

No suspicious patterns detected.