SvelteKit 2.10.0 before 3.0.0 Path Traversal via vite preview on Windows
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.
CVE-2026-114063
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-114063
kit
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "sveltejs",
"product": "kit",
"versions": [
{
"status": "affected",
"version": "2.10.0",
"lessThan": "3.0.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "3.0.0",
"versionType": "semver"
}
],
"packageURL": "pkg:npm/%40sveltejs/kit",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-114063
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #44950 · Revision 1
- Added to Heist Feed
- Publisher date