CVE-2026-128120 - SvelteKit: DoS while parsing form data from a remote functions `form`
CVE ID :CVE-2026-128120
Published : Nov. 13, 2026, 7:34 p.m. | 55 minutes ago
Description :SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. From version 2.42.0 until 3.1.1, applications using the experimental remote functions flag and a remote form function could perform quadratic synchronous work while parsing a specially crafted request with many form entries. The parsing work could block the event loop for an extended period and deny service. This issue is fixed in 3.1.1.
Severity: 7.5 | HIGH
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Published : Nov. 13, 2026, 7:34 p.m. | 55 minutes ago
Description :SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. From version 2.42.0 until 3.1.1, applications using the experimental remote functions flag and a remote form function could perform quadratic synchronous work while parsing a specially crafted request with many form entries. The parsing work could block the event loop for an extended period and deny service. This issue is fixed in 3.1.1.
Severity: 7.5 | HIGH
Visit the link for more details, such as CVSS details, affected products, timeline, and more...