HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2026-40074 — SvelteKit is a framework for rapidly developing robust, performant web applicati...

·Source: NIST NVD

Updated:

Executive Summary

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

Analysis

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. CVSS Score: 7.5. Published: 2026-04-10T17:17:12.513.

Indicators of Compromise (1)

CVE (1)
CVE-2026-40074
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Apr 10, 2026. Verified by: NIST.

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