CVE-2024-23641: Improper Input Validation

January 24, 2024

SvelteKit is a web development kit. In SvelteKit 2, sending a GET request with a body eg {} to a built and previewed/hosted sveltekit app throws Request with GET/HEAD method cannot have body. and crashes the preview/hosting. After this happens, one must manually restart the app. TRACE requests will also cause the app to crash. Prerendered pages and SvelteKit 1 apps are not affected. @sveltejs/adapter-node versions 2.1.2, 3.0.3, and 4.0.1 and @sveltejs/kit version 2.4.3 contain a patch for this issue.

References

github.com/advisories/GHSA-g5m6-hxpp-fc49
github.com/sveltejs/kit/commit/af34142631c876a7eb62ff81f71e8a3f90dafee9
github.com/sveltejs/kit/security/advisories/GHSA-g5m6-hxpp-fc49

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