Sending a GET or HEAD request with a body crashes SvelteKit
Description
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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
@sveltejs/kitnpm | >= 2.0.0, < 2.4.3 | 2.4.3 |
@sveltejs/adapter-nodenpm | >= 2.0.0, < 2.1.2 | 2.1.2 |
@sveltejs/adapter-nodenpm | >= 3.0.0, < 3.0.3 | 3.0.3 |
@sveltejs/adapter-nodenpm | >= 4.0.0, < 4.0.1 | 4.0.1 |
Affected products
1Patches
1af34142631c8fix: ignore bodies sent with non-PUT/PATCH/POST requests (#11708)
2 files changed · +9 −1
.changeset/smooth-kids-cover.md+5 −0 added@@ -0,0 +1,5 @@ +--- +'@sveltejs/kit': patch +--- + +fix: ignore bodies sent with non-PUT/PATCH/POST requests
packages/kit/src/exports/node/index.js+4 −1 modified@@ -109,7 +109,10 @@ export async function getRequest({ request, base, bodySizeLimit }) { duplex: 'half', method: request.method, headers: /** @type {Record<string, string>} */ (request.headers), - body: get_raw_body(request, bodySizeLimit) + body: + request.method === 'POST' || request.method === 'PUT' || request.method === 'PATCH' + ? get_raw_body(request, bodySizeLimit) + : undefined }); }
Vulnerability mechanics
Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
4- github.com/advisories/GHSA-g5m6-hxpp-fc49ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2024-23641ghsaADVISORY
- github.com/sveltejs/kit/commit/af34142631c876a7eb62ff81f71e8a3f90dafee9ghsax_refsource_MISCWEB
- github.com/sveltejs/kit/security/advisories/GHSA-g5m6-hxpp-fc49ghsax_refsource_CONFIRMWEB
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