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Security audit

Lacuna

Security checks for vulnerabilities and agentic risk

Overview

This Lacuna skill is mostly a read-only connector, but its setup instructions include unverified remote installer commands that can run code on the user's machine.

Install only if you trust OOMOL and the oo CLI distribution path. Prefer installing the CLI from verified release documentation or after reviewing the installer instead of allowing unattended curl | bash or iex execution. Once installed, the skill's normal Lacuna actions are read/search focused; still review any future write or destructive action payload before approving it.

SkillSpector

Vulnerability Patterns
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (2)

External Script Fetching

High
Category
Supply Chain
Content
- **`oo: command not found`** — install the oo CLI (other platforms: <https://cli.oomol.com/install-guide.md>):

  ```bash
  curl -fsSL https://cli.oomol.com/install.sh | bash    # macOS / Linux
  ```

  ```powershell
Confidence
97% confidence
Finding
The skill includes a one-line remote script execution pattern (`curl ... | bash`), which executes code fetched from the network without prior verification. If the install endpoint, distribution channel, TLS trust chain, or hosting account were compromised, a user following this guidance could run attacker-controlled code on their machine.

Vague Triggers

Medium
Confidence
96% confidence
Finding
The description says to use this skill for "ANY Lacuna request," which is an extremely broad activation condition and does not define boundaries or exclusions. This can cause unintended invocation for loosely related mentions of Lacuna rather than clearly scoped tasks.

Static analysis

No suspicious patterns detected.