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We are aware of the recently disclosed PHP2Shell vulnerabilities (CVE-2026-109618 and CVE-2026-109619) and can confirm Filestack is not impacted by these vulnerabilities.

Filestack Technical Glossary

Comprehensive reference for Filestack platform architecture and services

What Are Webhooks?

Integration Tool

Fundamental mechanism for enabling event-driven communication between Filestack platform and client applications.

Supported Events

  • File uploads and processing completion
  • Workflow job completion
  • Video conversion completion
  • File operations (overwrites, deletions)

Reliability Features

  • Automated retry logic for failed deliveries
  • Secret key signing for authenticity
  • Structured JSON payload delivery

Architecture Benefits

Reactive architecture is more efficient and scalable than polling-based approaches, essential for asynchronous operations.

📚 Filestack Documentation

Learn more about Webhooks in the official Filestack documentation:

Related Terms