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Security audit

obsidian-cli-skills

Security checks for vulnerabilities and agentic risk

Overview

This skill is a plain Obsidian CLI command reference that can affect local notes, but its note-editing and deletion behavior is visible and purpose-aligned.

Install only if you want an agent to use Obsidian CLI against your local vault. Before allowing overwrite, delete, move, set-default, or frontmatter edit commands, confirm the target vault and note name and keep backups or version history for important notes.

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
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (2)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The create command documentation includes --overwrite and --append, both of which can modify existing notes, but it does not clearly warn about data replacement, duplication, or unintended alteration of existing content. Because the skill is meant to guide command execution against a live Obsidian vault, missing safety guidance increases the chance of accidental corruption or loss of user-authored notes.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

The skill documents a destructive delete command and even shows a successful deletion example, but it does not warn that the action removes user notes and may be irreversible depending on the CLI's behavior. In an agent-skill context, this omission is risky because an agent could invoke the command on real vault data without prompting for confirmation or backup awareness.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.