sveltejs has 16 CVEs on record between 2023 and 2026. Disclosure cadence is accelerating: 9 in the last 90 days against 2 in the 90 before. The busiest recent month was October 2026 with 6. The median CVSS is 5.3 (medium). None have a confirmed exploitation report. The most common weakness class is CWE-79 (4). Most affected products: @sveltejs/kit (12), devalue (2), kit (2).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 5.3
- Publish → KEV
- —
- Last 90 days
- 9 prev 2
Weakness classes
Products
- @sveltejs/kit 12
- devalue 2
- kit 2
Worst active — by depth score
CVE-2023-29003High· 8.8SvelteKit vulnerable to Cross-Site Request Forgery49CVE-2023-29008High· 8.8SvelteKit framework has Insufficient CSRF protection for CORS requests48CVE-2026-114063High· 7.5SvelteKit 2.10.0 before 3.0.0 Path Traversal via vite preview on Windows41CVE-2026-92708High· 7.5Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job41CVE-2024-23641High· 7.5Sending a GET or HEAD request with a body crashes SvelteKit41
sveltejs vulnerabilities
CVEs affecting sveltejs, newest first. Open any entry for full detail, references, and exploit status.
16 CVEsRSS
CVE-2026-114060Low· 4.7SvelteKit: URL redirection to untrusted site via enhanced form submission
SvelteKit: URL redirection to untrusted site via enhanced form submission
CVE-2026-114061Low· 4.7SvelteKit : XSS via untrusted cache-control header in prerendered page
SvelteKit : XSS via untrusted cache-control header in prerendered page
GHSA-85pr-xr59-r75hLow· 4.7Duplicate Advisory: SvelteKit before 3.0.0 XSS via Cache-Control Header in Prerendered Pages
Duplicate Advisory: SvelteKit before 3.0.0 XSS via Cache-Control Header in Prerendered Pages
GHSA-pvhg-7v4p-f5q9Low· 4.7Duplicate Advisory: SvelteKit before 3.0.0 Open Redirect via Enhanced Form Actions
Duplicate Advisory: SvelteKit before 3.0.0 Open Redirect via Enhanced Form Actions
CVE-2026-114062Medium· 5.3SvelteKit before 3.0.0 SSRF via Redirects in Server-Side Self-Fetch Fallbacks
SvelteKit before 3.0.0 contains a server-side request forgery vulnerability that allows remote attackers to reach internal services because self-fetch fallbacks follow HTTP redirects automatically. Attackers can manipulate the Host or fo…
CVE-2026-114063High· 7.5SvelteKit 2.10.0 before 3.0.0 Path Traversal via vite preview on Windows
SvelteKit (@sveltejs/kit) from 2.10.0 before 3.0.0 contains a path traversal vulnerability in the vite preview server on Windows that allows unauthenticated attackers to read files outside the prerendered output directory. Attackers who …
CVE-2026-92708High· 7.5Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job
Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. In versions 5.1.0 through 5.9.2, stringify and uneval functions serialize a typed array by emitting its entire b…
CVE-2026-81176Medium· 5.3Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job
Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. Prior to 5.9.2, devalue.parse does not reject out-of-bounds indices that are greater than or equal to values.len…
CVE-2026-66062Medium· 5.3SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte
SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Prior to 2.70.2, the content negotiation header parser used by SvelteKit's request handling (for headers such as Accept) uses a regular exp…
GHSA-wqjv-9729-c5q2Medium· 5.3SvelteKit: Big remote form function payloads can cause Node process to crash
SvelteKit: Big remote form function payloads can cause Node process to crash
GHSA-866w-xmhq-wj7xMedium· 4.3SvelteKit: Prototype pollution in file input deletion path in remote-function forms
SvelteKit: Prototype pollution in file input deletion path in remote-function forms
CVE-2025-32388Medium· 5.4@sveltejs/kit vulnerable to Cross-site Scripting via tracked search_params
@sveltejs/kit vulnerable to Cross-site Scripting via tracked search_params
CVE-2024-53262Low· 4.2@sveltejs/kit has unescaped error message included on error page
@sveltejs/kit has unescaped error message included on error page
CVE-2024-23641High· 7.5Sending a GET or HEAD request with a body crashes SvelteKit
Sending a GET or HEAD request with a body crashes SvelteKit
CVE-2023-29008High· 8.8SvelteKit framework has Insufficient CSRF protection for CORS requests
SvelteKit framework has Insufficient CSRF protection for CORS requests
CVE-2023-29003High· 8.8SvelteKit vulnerable to Cross-Site Request Forgery
SvelteKit vulnerable to Cross-Site Request Forgery