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Security audit

TriliumNext Notes

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed TriliumNext Notes connector with appropriate write/delete confirmations, though users should be careful with its optional remote CLI installer.

Install this only if you are comfortable using OOMOL as an intermediary for TriliumNext Notes. Review the oo CLI installation source before running the installer, and require clear confirmation before any note update, overwrite, or deletion.

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
98% confidence
Finding

The skill instructs users to install software by piping a remotely fetched script directly into a shell (curl ... | bash). If the remote server, transport, or distribution pipeline is compromised, arbitrary code would execute immediately on the host, making this a classic supply-chain and remote code execution risk.

Content

Scanner excerpt · SKILL.md (reported line 74)May include surrounding context.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
97% confidence
Finding

The trigger text is intentionally broad: it directs the agent to use this skill for ANY TriliumNext Notes request instead of more narrowly scoped operations. This can cause the skill to intercept requests it was not specifically intended to handle, increasing the chance of unintended tool use or routing sensitive/destructive requests through a generic wrapper without enough contextual safeguards.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.