All vulnerabilities
CVE-2026-114063GHSA-xgrj-p7pg-6vm3

SvelteKit 2.10.0 before 3.0.0 Path Traversal via vite preview on Windows

sveltejs kit
Open in ThreatlineRecord JSON
CVSS
8.7High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.40%Chance of exploitation activity in the next 30 days, higher than 33% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in3.0.0Fixed versionCVE List
Published21 Oct 2026Updated 21 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 2

  • kitaffected: 2.10.0 before 3.0.0CVE List
  • kitunaffected: 3.0.0CVE List

References 2