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Security audit

Terminus App

Security checks for vulnerabilities and agentic risk

Overview

The skill is mostly coherent for Terminus App access, but its setup instructions include unpinned remote installer commands that can execute downloaded code on a user's machine.

Before installing, review the oo CLI installer through an official source and prefer a signed or checksum-verified installation path. Use the skill only for Terminus App tasks you intend to run through your connected OOMOL account, and confirm any write payload before execution.

A.I.G

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

SkillSpector

Vulnerability Patterns
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (2)

External Script Fetching

High
Category
Supply Chain
Confidence
97% confidence
Finding

The skill instructs users to install software by piping a remotely fetched script directly into a shell, which is a well-known supply-chain and remote code execution risk. If the install endpoint, transport, or upstream distribution is compromised, arbitrary commands would execute immediately on the user's machine without review.

Content

Scanner excerpt · SKILL.md (reported line 59)May include surrounding context.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

The description instructs invocation for any Terminus App-related task, including reading, creating, and updating data, without narrowing contexts or providing exclusions. This broad phrasing can overlap with many ordinary requests involving Terminus App and may cause unintended skill activation.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.