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Security audit

Holiday Lookup

Security checks for vulnerabilities and agentic risk

Overview

This is a low-risk holiday lookup skill that guides agents to verify public holiday information from authoritative sources.

Install this if you want holiday lookup help. Because it may be invoked automatically for holiday-related questions, check that the country, region, year, and type of closure are correct, especially for schools, banks, markets, or regional observances.

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
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • 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)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

Enabling implicit invocation without narrowly defined trigger constraints can cause the holiday skill to be selected in situations the user did not clearly intend, which expands the attack surface for prompt injection, data leakage through unnecessary tool use, or incorrect routing. In this case the skill is low-risk because it is a read-only research skill for public holiday information, but unnecessary automatic invocation still creates avoidable security and reliability risk.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.