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Security audit

Nexus Eu Ai Compliance

Security checks for vulnerabilities and agentic risk

Overview

This is a disclosed EU AI Act compliance guidance skill with no bundled code, hidden execution, persistence, or credential handling.

Install this only if you want EU AI Act compliance assistance. Keep it scoped to the files and systems relevant to your compliance work, and have legal or compliance professionals verify deadlines, obligations, and generated documentation before relying on it.

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
83% confidence
Finding

The skill is presented as an "EU AI Act Compliance Automator" and all guidance is framed around EU legal requirements and deadlines, but the document does not state that this jurisdictional scope is optional or limited to users who specifically need EU compliance. This can violate language/locale policy expectations when a skill imposes a regional legal context without explicit user opt-in or clear scope justification in the invocation instructions.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.