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Security audit

headless-terminal

Security checks for vulnerabilities and agentic risk

Overview

This skill is a purpose-aligned guide for using a terminal automation CLI, with privacy risks around screenshots and recordings that users should handle carefully.

Before installing or using this skill, treat `ht` sessions like real terminal access: avoid recording or screenshotting passwords, MFA prompts, tokens, production incidents, or confidential data unless you have approval and can store or redact the output safely. Review the named upstream project before installing the CLI from Homebrew or release artifacts.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • 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
92% confidence
Finding

The recipe explicitly demonstrates recording interactive terminal sessions to asciicast and GIF files but does not warn that the captured terminal output may include secrets, credentials, tokens, personal data, or other sensitive session contents. In this skill's context, that risk is elevated because the tool is intended for hostile/full-screen TUIs, installers, auth prompts, SSH sessions, and REPLs, all of which commonly display sensitive data during automation.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The screenshot guidance encourages saving terminal sessions to PNG for later inspection and attachment to bug reports, but it omits any caution that screenshots may preserve confidential terminal contents. Given this skill's purpose of driving interactive TUIs and prompts, screenshots may capture passwords, MFA prompts, hostnames, internal paths, secrets, or regulated data, making accidental disclosure a realistic risk.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.