p PatchFirst

CVE-2026-114063

CVE-2026-114063 · SvelteKit 2.10.0 before 3.0.0 Path Traversal via vite preview on Windows

This page contains facts from public vulnerability sources. Check the original advisory before updating.

SvelteKit (@sveltejs/kit) from 2.10.0 before 3.0.0 contains a path traversal vulnerability in the vite preview server on Windows that allows unauthenticated attackers to read files outside the prerendered output directory. Attackers who can reach the preview server through network access or a tunnel can send crafted requests to expose source code, configuration, or credentials readable by the server process.

CVSS 8.7 · High · EPSS 0.4% · Fix available

Published
Updated

Affected products and versions

  • kit

    Versions
    • ≥ 2.10.0, < 3.0.0: Affected (semver)
    • 3.0.0: Not affected (semver)

    Update to 3.0.0

Original sources

Check your server →