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Security audit

Nutri Calc

Security checks for vulnerabilities and agentic risk

Overview

This is a small nutrition-calculation skill focused on Chinese foods, with no code, installation steps, network calls, or hidden system-level behavior.

Install only if you are comfortable sharing diet and body-profile details with the agent during use. Expect best results for Chinese foods and Chinese-language meal descriptions; verify nutrition estimates before relying on them for medical or strict dietary decisions.

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
  • 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)

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
85% confidence
Finding

The description and examples indicate the skill accepts natural-language food descriptions in Chinese and is centered on a Chinese food database, but it does not explicitly state this as an optional or region-specific mode. This can violate language/locale policy because the skill appears to assume a specific language and locale without user opt-in or a documented justification.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.