CVE-2026-114063
HIGH
CVSS 7.5
Published: 2026-10-21
Modified: 2026-10-21
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Description
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.
Quick Facts
| CVE ID | CVE-2026-114063 |
| CVSS Score | 7.5 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Published | 2026-10-21 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |