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Security audit

DocuGenerate

Security checks for vulnerabilities and agentic risk

Overview

The document features are appropriately scoped, but setup directs the agent to run unverified downloaded software without separate approval.

Review the setup before installing. Use a verified CLI release and require approval for local installation. Upstream documents OO_SKILLS_SYNC_DISABLED=1 to prevent automatic skill synchronization. OOMOL handles the connected account and document requests, so use the intended account and review each document change or deletion. The remote installers were unavailable for inspection; this review does not establish malicious behavior.

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
98% confidence
Finding

The command executes an Oomol-hosted installation script, which is not disclosed in the description and has no demonstrated connection to DocuGenerate. Although installation can be a supporting implementation detail, the supplied chunk establishes no such relationship. The remote script's contents and any additional effects cannot be determined from this snippet.

Content

No source excerpt is available for this finding.

External Script Fetching

High
Category
Supply Chain
Confidence
97% confidence
Finding

The command executes a mutable remote script immediately, without a pinned version or independently verified integrity; the Windows fallback uses the same download-and-execute approach. Compromise of the installer hosting or distribution pipeline could execute arbitrary code with the invoking user's permissions, exposing local files and credentials. The legitimate dependency and conditional setup reduce exposure but do not remove this supply-chain risk.

Content

Scanner excerpt · SKILL.md (reported line 61)May include surrounding context.

First-time setup executes downloaded installation scripts without warning about local system changes.

Medium
Category
Output Handling
Confidence
92% confidence
Finding

The fallback directs the agent to install software locally without explicitly requesting approval or explaining the system changes. Although limited to a missing-CLI error, this crosses from remote document operations into local code execution, while the skill's confirmation requirements only cover DocuGenerate writes and deletions.

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 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