Back to skill

Security audit

Intrinio

Security checks for vulnerabilities and agentic risk

Overview

The data-reading functions fit the stated purpose, but setup can execute unverified remote code and introduce changes to other agent skills.

Review and install a verified CLI release yourself before enabling the skill, and require approval for any installation fallback. Check the CLI's automatic skill synchronization; its documented OO_SKILLS_SYNC_DISABLED control can prevent those writes. Intrinio requests use your OOMOL-connected account and may consume service credits. The remote installer payloads were unavailable for inspection, so their complete installation effects remain uncertain.

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 supplied chunk contains only a remote installer command and shows no Intrinio interaction. Although dependency installation can be a supporting implementation detail, this chunk establishes no relationship between the Oomol installer and the declared Intrinio functionality. The downloaded script's further behavior 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

Piping a remotely downloaded script directly into Bash executes mutable external content without version pinning or independent integrity verification. Compromise of the installer distribution path could execute arbitrary code with the agent's permissions; HTTPS and the legitimate OOMOL setup context reduce suspicion but do not eliminate this supply-chain risk.

Content

Scanner excerpt · SKILL.md (reported line 58)May include surrounding context.

The fallback setup instructs the agent to execute a downloaded installer without warning about local system changes or remote-code execution.

Medium
Category
Output Handling
Confidence
94% confidence
Finding

The fallback instructs the agent to install software without first obtaining explicit approval for executing remote code and modifying the local environment. Although triggered only when the CLI is missing, a routine data-reading request can thereby expand into code execution with the agent's local permissions.

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 79)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