CVE-2026-114063 SvelteKit - Path Traversal

SvelteKit (@sveltejs/kit) >= 2.10.0 < 3.0.0 contains a path traversal vulnerability in the vite preview server on Windows, letting unauthenticated attackers read files outside the prerendered output directory via crafted requests.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Path Traversal
Impact
File System Read, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
21 October 2026
Updated
21 October 2026
Weakness
CWE-22

Vendor fix

Update to version 3.0.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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