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Security audit

LLMWhisperer

Security checks across malware telemetry and agentic risk

Overview

This skill appears to be a straightforward document text-extraction wrapper, but it sends files you choose to an external LLMWhisperer service.

Install only if you are comfortable sending selected PDFs or images to LLMWhisperer/Unstract for processing. Avoid confidential, regulated, or highly sensitive documents unless your policy allows that provider, and keep the API key private.

SkillSpector

By NVIDIA
Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • 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 (2)

Missing User Warnings

Medium
Confidence
97% confidence
Finding
The skill is explicitly designed to upload a user-provided image or PDF to a third-party OCR service, but the documentation does not clearly warn that file contents leave the local environment and are transmitted to an external vendor. This creates a real privacy and data-handling risk, especially for sensitive documents such as invoices, IDs, medical records, or handwritten notes.

External Transmission

Medium
Category
Data Exfiltration
Content
exit 1
fi

curl -s -X POST "https://llmwhisperer-api.us-central.unstract.com/api/v2/whisper?mode=high_quality&output_mode=layout_preserving" \
  -H "Content-Type: application/octet-stream" \
  -H "unstract-key: $LLMWHISPERER_API_KEY" \
  --data-binary "@$FILE"
Confidence
99% confidence
Finding
curl -s -X POST "https://llmwhisperer-api.us-central.unstract.com/api/v2/whisper?mode=high_quality&output_mode=layout_preserving" \ -H "Content-Type: application/octet-stream" \ -H "unstract-key:

VirusTotal

66/66 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

No suspicious patterns detected.