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Security audit

HighLevel

Security checks for vulnerabilities and agentic risk

Overview

The contact workflow requires approval for changes, but setup can execute unchecked remote code and introduce additional persistent agent skills.

Review the CLI installation separately before allowing automatic setup, and use a verified release. The remote installer contents remain unverified. OOMOL will mediate access to your connected HighLevel account. To prevent additional agent-skill installation, current upstream documentation provides OO_SKILLS_SYNC_DISABLED=1; configure it before invoking the CLI. [CLI controls](https://github.com/oomol-lab/oo-cli/blob/main/docs/commands.md#environment-variables) Keep the skill's approval requirements for contact changes and deletions.

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
  • 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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
Findings (3)

Description-Behavior Mismatch

High
Category
MCP Tool Poisoning
Confidence
97% confidence
Finding

The supplied chunk performs remote code execution for an Oomol CLI installation, not HighLevel operations. Nothing supplied establishes this installer as a supporting dependency for the declared purpose. The downloaded script's further behavior 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

The fallback pipes a remotely fetched, unpinned script directly into Bash without verifying its contents or integrity; the PowerShell alternative uses the same download-and-execute pattern. Compromise of the distribution endpoint or installer could execute arbitrary code with the agent's local privileges, exposing accessible files and credentials; conditional execution reduces exposure but does not remove this risk.

Content

Scanner excerpt · SKILL.md (reported line 59)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 80)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