Sveltejs Kit

18 CVEs affecting Sveltejs Kit. Latest disclosed: 2026-08-28. Critical: 1, High: 9.

Top CVEs affecting Sveltejs Kit
CVESeverityScorePublishedSummary
CVE-2025-67647Critical9.12026-01-15SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Prior to 2.49.5, SvelteKit is vulnerable to a server side req…
CVE-2023-29008High8.82023-04-06The SvelteKit framework offers developers an option to create simple REST APIs. This is done by defining a `+server.js` file, containing endpoint handlers for…
CVE-2023-29003High8.82023-04-04SvelteKit is a web development framework. The SvelteKit framework offers developers an option to create simple REST APIs. This is done by defining a `+server.j…
CVE-2026-82261High7.52026-08-28SvelteKit (@sveltejs/kit) versions >=2.49.0 and <=2.52.1 with experimental remote functions and form enabled contain a CPU exhaustion vulnerability in form des…
CVE-2026-82260High7.52026-08-28SvelteKit (@sveltejs/kit) versions >=2.49.0 and <=2.52.1 with experimental remote functions (experimental.remoteFunctions) and form enabled contain a memory ex…
CVE-2026-82259High7.52026-08-28SvelteKit versions from 2.49.0 through 2.53.2 (fixed in 2.53.3) contain a deserialization expansion issue in the experimental form remote function. When an app…
CVE-2026-40074High7.52026-04-10SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Prior to 2.57.1, redirect, when called from inside the handle…
CVE-2026-40073High7.52026-04-10SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Prior to 2.57.1, under certain circumstances, requests could…
CVE-2026-22803High7.52026-01-15SvelteKit 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…
CVE-2024-23641High7.52024-01-24SvelteKit 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 wit…
CVE-2025-32388Medium5.42025-04-15SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Prior to 2.20.6 , unsanitized search param names cause XSS vu…
CVE-2024-53262Medium5.42024-11-25SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. The static error.html template for errors contains placeholde…
CVE-2024-53261Medium5.42024-11-25SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. "Unsanitized input from *the request URL* flows into `end`, w…
CVE-2026-82256Medium5.32026-08-28SvelteKit before 2.69.1 fails to properly validate remote form function payload sizes, allowing attackers to crash the Node process by sending large payloads…
CVE-2026-66062Medium5.32026-08-07SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Prior to 2.70.2, the content negotiation header parser used b…
CVE-2026-82258Medium4.82026-08-28SvelteKit versions from 2.38.0 before 2.60.1 contain a race condition in query.batch that allows concurrent requests from different users to merge under a sing…
CVE-2026-82257Medium4.32026-08-28SvelteKit versions before 2.69.1 contain a prototype pollution vulnerability in remote form functions with file input fields that accept arbitrary user-control…
CVE-2026-271182026-02-20SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Versions of @sveltejs/adapter-vercel prior to 6.3.2 are vulne…