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Security audit

stall-solver

Security checks for vulnerabilities and agentic risk

Overview

This skill is a local restroom queueing calculator with disclosed commands and no evidence of hidden access, persistence, or data exfiltration.

Before relying on results for permitting or construction, verify fixture requirements against the locally adopted plumbing code and amendments; from a security perspective, the skill appears safe to install and run locally.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (2)

Ae4

Medium
Category
analysis-evasion
Confidence
80% confidence
Finding

Suspicious Unicode normalization or mixed-script content

Content

No source excerpt is available for this finding.

Intent-Code Divergence

Medium
Category
Not specified by scanner
Confidence
98% confidence
Finding

The top-level documentation states 'Erlang-C is overkill; we use a utilization-based waiting estimate', which directly describes a simpler approach than what the code implements. In contrast, erlang_c_wait explicitly performs Erlang-B recursion followed by Erlang-C math, so the documentation actively contradicts the actual queueing model.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.