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Security audit

Waitwhile

Security checks for vulnerabilities and agentic risk

Overview

The Waitwhile actions have clear approval safeguards, but setup runs unverified downloaded code and the dependency can silently install additional agent skills.

Review and verify the CLI installer before allowing setup. OOMOL will mediate access to your Waitwhile customer data. Its documented startup skill synchronization extends beyond this integration; disable it before first use if unwanted, using OO_SKILLS_SYNC_DISABLED as described in the [publisher's documentation](https://github.com/oomol-lab/oo-cli/blob/main/docs/commands.md#environment-variables). Continue requiring approval for customer changes and deletions. The remote installer remains uninspected.

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
  • 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 declared purpose concerns Waitwhile data operations, but the supplied code executes an Oomol-hosted installer. Nothing in the chunk establishes this installer as a supporting dependency for Waitwhile. The remote script's contents and effects cannot be determined from the supplied code.

Content

No source excerpt is available for this finding.

External Script Fetching

High
Category
Supply Chain
Confidence
98% confidence
Finding

The setup command pipes a remotely fetched, mutable 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 could execute attacker-controlled code with the agent process's permissions, potentially exposing local credentials or modifying files. The legitimate dependency and missing-CLI condition reduce execution frequency but do not establish script trust.

Content

Scanner excerpt · SKILL.md (reported line 61)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 82)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