Description
Big remote form function payloads can cause the Node process to crash. Doing this repeatedly can cause DoS.
Recommendation
Update the @sveltejs/kit package to the latest compatible version. Followings are version details:
- Affected version(s): <= 2.69.0
- Patched version(s): 2.69.1
References
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Start a free scanRelated Issues
- SvelteKit has deserialization expansion in unvalidated `form` remote function leading to Denial of Service (experimenta - Vulnerability
- SvelteKit: Prototype pollution in file input deletion path in remote-function forms - Vulnerability
- CPU exhaustion in SvelteKit remote form deserialization (experimental only) - Vulnerability
- Memory exhaustion in SvelteKit remote form deserialization (experimental only) - Vulnerability
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See something that needs correcting? Let us knowUpdated July 24, 2026