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CVE-2026-22803

SvelteKit has a memory amplification DoS in Remote Functions binary form deserializer PUBLISHED

Description (CNA)

SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. From 2.49.0 to 2.49.4, the experimental form remote function uses a binary data format containing a representation of submitted form data. A specially-crafted payload can cause the server to allocate a large amount of memory, causing DoS via memory exhaustion. This vulnerability is fixed in 2.49.5.

Affected (CNA)

Vendor / productVersions
sveltejs / kitaffected >= 2.49.0, < 2.49.5

CWE

CWE-789

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.