Medium severity · published Oct 21, 2026
CVE-2026-114060
SvelteKit before 3.0.0 Open Redirect via Enhanced Form Actions
4.7
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KI
kit · sveltejs
before 3.0.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-114060
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-114060
github.com
https://github.com/sveltejs/kit/security/advisories/GHSA-pfhg-q3qv-9q6r
www.vulncheck.com
https://www.vulncheck.com/advisories/sveltekit-before-3.0.0-open-redirect-via-enhanced-form-actions
More from kit
9.1
CVE-2025-67647
SvelteKit Denial of service and possible SSRF when using prerendering
7.5
CVE-2026-114063
SvelteKit 2.10.0 before 3.0.0 Path Traversal via vite preview on Windows
7.5
CVE-2026-82261
SvelteKit before 2.52.2 CPU Exhaustion via Remote Form Deserialization
7.5
CVE-2026-82260
SvelteKit before 2.52.2 Memory Exhaustion via Remote Form Deserialization
7.5
CVE-2026-82259
SvelteKit 2.49.0 before 2.53.3 Denial of Service via form