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Security audit

Mingdao

Security checks for vulnerabilities and agentic risk

Overview

Mingdao changes require your approval, but setup directs the agent to run downloaded installers without a separate installation approval step.

Review and approve CLI installation separately, including whether it will add or update skills in your other agents. Prefer a verified release, restrict the connected Mingdao account's permissions, and retain confirmations for every change. The bundled instructions show no malicious intent, but the external installer and connector behavior remain unverified.

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
Vulnerability Patterns
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Output HandlingUnvalidated Output Injection, Cross-Context Output, Unbounded Output
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
Findings (4)

Description-Behavior Mismatch

High
Category
MCP Tool Poisoning
Confidence
88% confidence
Finding

The supplied chunk performs remote software installation rather than the declared Mingdao data operations. Installation could be a supporting implementation detail, but the provided code establishes no connection between this installer and Mingdao functionality. The downloaded script's contents and any further effects cannot be determined from this chunk.

Content

No source excerpt is available for this finding.

External Script Fetching

High
Category
Supply Chain
Confidence
98% confidence
Finding

Piping a remotely fetched installer directly into Bash executes whatever content the endpoint currently serves without version pinning, signature verification, or prior review. HTTPS protects transport but does not prevent a compromised publisher or distribution endpoint from supplying code that accesses local files and credentials; conditional execution only when the CLI is missing reduces exposure, not the potential impact.

Content

Scanner excerpt · SKILL.md (reported line 101)May include surrounding context.

Fallback setup executes downloaded installation scripts without warning about remote code execution or system changes.

Medium
Category
Output Handling
Confidence
96% confidence
Finding

The missing-CLI fallback directs the agent to execute downloaded shell or PowerShell code without explicitly obtaining approval for local installation or explaining its system effects. The confirmation rules cover Mingdao actions, not local setup, allowing a data-operation request to lead to arbitrary code execution with the agent's local privileges if the installer is compromised.

Content

No source excerpt is available for this finding.

Autonomous Decision Making

Medium
Category
Excessive Agency
Confidence
80% confidence
Finding

Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Content

Scanner excerpt · SKILL.md (reported line 122)May include surrounding context.

md
- **`OOMOL_INSUFFICIENT_CREDIT`** — OOMOL billing stop. Recharge at `https://console.oomol.com/billing/token-recharge` before retrying.

- **HTTP 402 without `OOMOL_INSUFFICIENT_CREDIT`** — the third-party account itself has no active plan or credit. Report the provider error message as is; do not ask the user to recharge OOMOL.

## Resources