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Security audit

Juniper Mist

Security checks for vulnerabilities and agentic risk

Overview

The Juniper Mist read actions fit the stated purpose, but setup executes unverified remote installers and the required CLI has undisclosed effects on other agent skills.

Review the CLI installation separately and use a verified release before connecting your account. Decide whether to allow additional agent skills; the CLI documents OO_SKILLS_SYNC_DISABLED=1 to prevent startup synchronization. Use a Juniper Mist account limited to the organizations, sites, and read permissions needed. OOMOL handles the connected credentials and requests. The external installer and hosted implementation were not verified, and no malicious behavior was established.

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
99% confidence
Finding

The supplied command performs remote script execution from an Oomol installation endpoint, not Juniper Mist search or read operations. Nothing in the supplied chunk establishes that this installer is a supporting dependency for the declared functionality. The downloaded script's further behavior 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 command streams a mutable remote installer directly into Bash, giving the retrieved content immediate code execution without a pinned version or integrity check. HTTPS protects transport but does not protect against a compromised vendor endpoint or malicious release; this is the same underlying installation risk flagged by SQP-2.

Content

Scanner excerpt · SKILL.md (reported line 57)May include surrounding context.

First-time setup instructs execution of remotely downloaded installer scripts without a system-integrity warning.

Medium
Category
Output Handling
Confidence
95% confidence
Finding

The setup instructions pipe remotely retrieved scripts directly into Bash or PowerShell without inspection, integrity verification, or explicit approval for local software installation. If the distribution endpoint or delivery chain is compromised, this could execute attacker-controlled code with the agent process's privileges; restricting setup to a missing-CLI error reduces exposure but does not remove the risk.

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 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