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Security audit

MaintainX

Security checks for vulnerabilities and agentic risk

Overview

The MaintainX actions are appropriately controlled, but setup can execute unchecked remote code and introduce skills into other agent apps.

Review and verify the CLI installation before allowing automatic setup. OOMOL will mediate access to your MaintainX account and business data. Its CLI also documents automatic skill syncing across agent apps; review or disable that behavior using the [CLI controls](https://github.com/oomol-lab/oo-cli/blob/main/docs/commands.md). Installer contents remain unverified; no malicious intent or exfiltration was established.

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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • 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
96% confidence
Finding

The declared purpose is MaintainX data management, but the supplied code executes an Oomol-hosted installer. Nothing in the chunk establishes that this installation supports MaintainX, so its demonstrated behavior does not match the description. The remote script's contents are unavailable, so its additional effects cannot be determined.

Content

No source excerpt is available for this finding.

External Script Fetching

High
Category
Supply Chain
Confidence
99% confidence
Finding

The setup command downloads mutable remote content and immediately executes it with the agent process's local privileges, without a pinned version, integrity verification, or review. Compromise of the distribution endpoint could therefore lead to arbitrary code execution and access to local files or credentials; the missing-CLI condition limits exposure but does not remove the risk, and the PowerShell alternative has the same weakness.

Content

Scanner excerpt · SKILL.md (reported line 70)May include surrounding context.

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 91)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

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 96)May include surrounding context.

md
## Resources

- MaintainX homepage: https://www.getmaintainx.com/
- API documentation: https://api.getmaintainx.com/v1/docs