CVE-2026-40074

SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Prior to 2.57.1, redirect, when called from inside the handle server hook with a location parameter containing characters that are invalid in a HTTP header, will cause an unhandled TypeError. This could result in DoS on some platforms, especially if the location passed to redirect contains unsanitized user input. This vulnerability is fixed in 2.57.1.

The following products are affected by CVE-2026-40074 vulnerability.

No data.

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-40074.

URL	Resource
https://github.com/sveltejs/kit/commit/10d7b44425c3d9da642eecce373d0c6ef83b4fcd
https://github.com/sveltejs/kit/releases/tag/@sveltejs/[email protected]
https://github.com/sveltejs/kit/security/advisories/GHSA-3f6h-2hrp-w5wx