CVE-2025-67647

CVE-2025-67647 affects SvelteKit. Before 2.49.5, it allows server-side request forgery (SSRF) and DoS under prerender conditions. From 2.44.0 to 2.49.4, a DoS can occur if at least one prerendered route exists (export const prerender = true). From 2.19.0 to 2.49.4, DoS/SSRF can occur when there i...

CVE-2025-67647

SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Prior to 2.49.5, SvelteKit is vulnerable to a server side request forgery SSRF and denial of service DoS under certain conditions. From 2.44.0 through 2.49.4, the vulnerability results in a DoS when...

Server-side Request Forgery (SSRF)

Overview @sveltejs/kit is a SvelteKit framework and CLI Affected versions of this package are vulnerable to Server-side Request Forgery SSRF due to the improper decoding of protocol headers in resolved path. An attacker can cause the server process to terminate or access internal services by...

SvelteKit is vulnerable to denial of service and possible SSRF when using prerendering

Summary Versions of SvelteKit are vulnerable to a server side request forgery SSRF and denial of service DoS under certain conditions. Details Affected versions from 2.44.0 onwards are vulnerable to DoS if: - your app has at least one prerendered route export const prerender = true Affected...