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CVE-2026-40073 SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte

Description

SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Prior to 2.57.1, under certain circumstances, requests could bypass the BODY_SIZE_LIMIT on SvelteKit applications running with adapter-node. This bypass does not affect body size limits at other layers of the application stack, so limits enforced in the WAF, gateway, or at the platform level are unaffected. This vulnerability is fixed in 2.57.1.

Affected products and versions

Product Affected versions Fixed in
kit 2.57 earliest → < 2.57.1 2.57.1

References

Timeline

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