CVE-2026-114060
SvelteKit before 3.0.0 Open Redirect via Enhanced Form Actions
- State
- Published
- Severity
- 2.1 Low
- Published
- Oct 21, 2026
- Updated
- Oct 21, 2026
- Reserved
- Oct 20, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.1 Low | 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 | VulnCheck |
| 3.1 | 4.7 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
Affected Products
| Product | Versions |
|---|---|
kitsveltejs |
|
References
- GitHub Security Advisory (GHSA-pfhg-q3qv-9q6r)vendor-advisory
- VulnCheck Advisory: SvelteKit before 3.0.0 Open Redirect via Enhanced Form Actionsthird-party-advisory
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