CVE-2026-42047 Inngest TypeScript SDK exposes environment variables via serve() handler on unhandled HTTP methods

Inngest is a platform for running event-driven and scheduled background functions with queueing, retries, and step orchestration. Versions 3.22.0 through 3.53.1 contain a vulnerability that allows unauthenticated remote attackers to exfiltrate environment variables from the host process via the...

CVE-2026-42047 Inngest TypeScript SDK exposes environment variables via serve() handler on unhandled HTTP methods

Inngest is a platform for running event-driven and scheduled background functions with queueing, retries, and step orchestration. Versions 3.22.0 through 3.53.1 contain a vulnerability that allows unauthenticated remote attackers to exfiltrate environment variables from the host process via the...

CVE-2026-42047

Inngest CVE-2026-42047 affects the TypeScript SDK versions 3.22.0–3.53.1. A change in 3.22.0 made the serve() HTTP handler’s diagnostic response expose process.env contents when unhandled methods PATCH, OPTIONS, or DELETE are used, allowing exfiltration of secrets, API keys, or credentials if the...