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Security audit

Magnific (Freepik)

Security checks for vulnerabilities and agentic risk

Overview

The search functions fit their purpose, but setup executes unpinned remote code and can introduce additional persistent agent skills without clearly disclosing that scope.

Review and approve a specific CLI release separately before allowing automatic setup. Consider disabling startup skill synchronization with OO_SKILLS_SYNC_DISABLED=1 before invoking oo, as described in the linked documentation. Expect OOMOL account authorization and possible service charges. The remote installers and CLI binary were not audited; the concern is installation scope and user control, with no artifact-backed evidence of intentional 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
  • 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
99% confidence
Finding

The supplied command performs remote script execution rather than searching or reading Magnific data. Nothing in the supplied chunk establishes that this installer is a supporting dependency for the declared functionality. The downloaded script's specific actions 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 setup instructions pipe a remotely fetched, unpinned script directly into Bash without integrity verification or an explicit approval step; the PowerShell alternative uses the same download-and-execute pattern. If the installer source or distribution pipeline is compromised, attacker-controlled code could run with the agent's local permissions and access files or credentials. The missing-CLI condition limits exposure but does not make installation necessary or safe for an otherwise read-oriented task.

Content

Scanner excerpt · SKILL.md (reported line 57)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 78)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