GHSA-rqw3-x7hx-mm3pMediumCVSS 5.9

SvelteKit: `@sveltejs/adapter-node` crashes when proxying certain requests via `fetch`

Published
November 13, 2026
Last Modified
November 13, 2026

🔗 CVE IDs covered (1)

📋 Description

In affected versions, @sveltejs/adapter-node can attempt to add a header to an immutable request in a context that causes the server to crash, denying service to any other requests routed to that server.

🎯 Affected products2

  • npm/@sveltejs/adapter-node:>= 5.5.7, < 5.5.8
  • npm/@sveltejs/adapter-node:>= 6.0.0-next.0, < 6.0.1

🔗 References (7)