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Security audit

Cal Com Automation

Security checks across malware telemetry and agentic risk

Overview

This skill is a coherent Cal.com automation guide with disclosed account-changing capabilities, but users should be careful with webhook destinations and Cal.com changes.

Install only if you trust Rube/Composio to broker access to your Cal.com account. Review every booking, team, webhook ID, trigger, and subscriber URL before approving changes. Webhook endpoints should be trusted HTTPS destinations under your control because booking event payloads may contain personal and scheduling data, and webhook secrets should be treated like credentials.

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
92% confidence
Finding
The webhook section instructs users to configure external subscriber URLs but does not warn that booking payloads may contain personal and scheduling data that will be transmitted to third-party systems. In an automation skill focused on scheduling and bookings, this omission can lead users to expose attendee data to untrusted endpoints without informed consent or adequate review.

VirusTotal

63/63 vendors flagged this skill as clean.

View on VirusTotal

Static analysis

No suspicious patterns detected.