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Security audit

Tailscale

Security checks for vulnerabilities and agentic risk

Overview

This is a legitimate Tailscale management skill, but it includes high-impact admin actions and setup guidance that users should review carefully before use.

Review the oo CLI installer source or use a verified installation path before running setup, and require explicit approval for any Tailscale change, especially secret rotation, credential creation, policy changes, DNS/routing changes, user suspension, 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
96% confidence
Finding

The skill instructs users to install software via a remote script piped directly into a shell, which is a classic supply-chain risk. If the hosting domain, transport, or script contents are compromised, arbitrary code would execute immediately on the user's machine; in this skill context, the risk is increased because the command is presented as a fallback operational step inside trusted setup instructions.

Content

Scanner excerpt · SKILL.md (reported line 136)May include surrounding context.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
93% confidence
Finding

The description says to use this skill for "ANY Tailscale request" and "Whenever a task involves Tailscale," which is a very broad activation condition. It does not provide narrower trigger scope, exclusions, or negative examples, so ordinary mentions of Tailscale could match unintentionally.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.