CVE-2026-22803

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-789 CWE-770

Affected software

No affected versions have been published.

Timeline

Published: Jan 15, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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