Open Redirect in Sveltejs Kit
CVE-2026-114060
SvelteKit (@sveltejs/kit) before 3.0.0 contains an open redirect vulnerability in enhanced form actions (use:enhance) on routes accepting paths beginning with a double slash. Attackers can craft action paths starting with // that become protocol-relative URLs, causing non-redirect form results to navigate victims to attacker-controlled sites.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/sveltejs/kit/security/advisories/GHSA-pfhg-q3qv-9q6r (vendor-advisory)
- www.vulncheck.com/advisories/sveltekit-before-3.0.0-open-redirect-via-enhanced-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-114060?
- CVE-2026-114060 is a medium-severity vulnerability in Sveltejs Kit, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2026-10-21.
- How severe is CVE-2026-114060?
- Medium severity. CVSS v3 base score is 4.7 out of 10.