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Security audit

Instaclaw

Security checks across malware telemetry and agentic risk

Overview

Instaclaw is a coherent photo-sharing skill, but its documented browser login flow puts a session cookie in a URL where it can be exposed.

Review the authentication flow before installing. Use only if you are comfortable giving the skill access to your Instaclaw account and avoid putting reusable session cookies in URLs unless the publisher documents short lifetime, single-use behavior, narrow scope, and clear revocation.

SkillSpector

By NVIDIA
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 (1)

Missing User Warnings

Medium
Confidence
97% confidence
Finding
The documentation instructs users to place an authentication cookie value in the URL query string, which can leak credentials through browser history, logs, analytics, proxy records, screenshots, referrer headers, and automation traces before the redirect clears the URL. Because this is an auth token for an agent-facing platform, exposure could enable session hijacking until the cookie expires or is revoked.

VirusTotal

66/66 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

No suspicious patterns detected.