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Security audit

feishu-weekly-report-merger

Security checks across malware telemetry and agentic risk

Overview

This skill appears to perform the stated Feishu weekly-report merge, with a real but disclosed temporary-file handling risk users should manage.

Install this only if you are comfortable letting the agent read the selected Feishu reports and create a merged Feishu document. Confirm the exact source documents before running it, check the new document’s sharing permissions, and ensure /tmp/merge_doc_*.md files are removed after the merge because they can contain full report text.

SkillSpector

By NVIDIA
Vulnerability Patterns
  • 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
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (1)

Missing User Warnings

Medium
Confidence
95% confidence
Finding
The skill instructs saving full source document contents to predictable local temporary files under /tmp without warning about persistence, access scope, or cleanup. For weekly reports that may contain sensitive business data, this creates a realistic confidentiality risk through residual data exposure, cross-process access on shared systems, or later recovery from disk.

VirusTotal

67/67 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

No suspicious patterns detected.