Is CVE-2025-67647 actively exploited?

No active exploitation of CVE-2025-67647 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-67647 be exploited remotely?

Yes. CVE-2025-67647 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-67647?

CVE-2025-67647 has a CVSS score of 9.1 (CRITICAL).

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CRITICAL

CVE-2025-67647

CWE-248Published: January 15, 2026· Updated: Jun 17, 2026

9.1

CVSS v3.1

Official Description

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 your app has at least one prerendered route (export const prerender = true). From 2.19.0 through 2.49.4, the vulnerability results in a DoS when your app has at least one prerendered route and you are using adapter-node without a configured ORIGIN environment variable, and you are not using a reverse proxy that implements Host header validation. This vulnerability is fixed in 2.49.5.

NVD Source

Technical Analysis

CVE-2025-67647 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), availability disruption (denial of service), with a CVSS base score of 9.1.