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Security audit

Youdo Business

Security checks for vulnerabilities and agentic risk

Overview

This is a coherent YouDo Business API reference skill, but it covers payments, employee personal data, documents, balances, and destructive business changes without clear safety checks or confirmation guidance.

Review this skill before installing if the agent will have real YouDo Business credentials. Use least-privilege API keys, prefer sandbox testing first, and require explicit confirmation before payments, invoice creation, employee/project changes, agreement stops, document downloads, or webhook changes.

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
  • Tool MisuseTool Parameter Abuse, Chaining Abuse, Unsafe Defaults
  • 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 (3)

Tool Parameter Abuse

High
Category
Tool Misuse
Confidence
80% confidence
Finding

Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).

Content

Scanner excerpt · SKILL.md (reported line 47)May include surrounding context.

md
- **Search**: `POST /Employe/search` (Body: `projectIds`, `employeeName`, `inns`, `phones`, `itemsPerPage`, `page`)
- **Find by Phone**: `GET /Employe/byPhone/{phone}`
- **Add to Project**: `POST /Employee/addToProject`
- **Remove from Project**: `DELETE /Employee/{id}/deleteFromProject/{projectId}`
- **Restart Binding**: `PUT /Employee/{id}/binding/restart`

### Projects (Проекты)

Tool Parameter Abuse

High
Category
Tool Misuse
Confidence
80% confidence
Finding

Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).

Content

Scanner excerpt · SKILL.md (reported line 83)May include surrounding context.

md
### Webhooks
- **Subscribe**: `POST /WebHook/subscribe` (Body: `type`, `url`, `headers`)
- **Unsubscribe**: `DELETE /WebHook/{type}/unsubscribe`

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

The skill describes operations involving personal data, financial data, identity information, documents, balances, and payment actions, but it provides no user-facing warnings or safeguards about handling sensitive data. In an agent setting, this omission increases the chance of unsafe disclosure, over-collection, or acting on high-risk requests without explicit confirmation, especially for payment, employee, and document endpoints.

Content

No source excerpt is available for this finding.