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.
History

Wed, 21 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 21 Oct 2026 00:45:00 +0000

Type Values Removed Values Added
Description 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.
Title SvelteKit before 3.0.0 Open Redirect via Enhanced Form Actions
First Time appeared Svelte
Svelte kit
Weaknesses CWE-601
CPEs cpe:2.3:a:svelte:kit:*:*:*:*:*:*:*:*
Vendors & Products Svelte
Svelte kit
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 2.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-21T00:36:34.741Z

Updated: 2026-10-21T15:50:38.726Z

Reserved: 2026-10-20T21:42:27.670Z

Link: CVE-2026-114060

cve-icon Vulnrichment

Updated: 2026-10-21T14:24:56.171Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-21T01:17:29.147

Modified: 2026-10-22T17:39:56.760

Link: CVE-2026-114060

cve-icon Redhat

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