sveltejs has 5 CVEs on record. 5 were published in the last 90 days. The median CVSS is 5.3 (medium). None have a confirmed exploitation report. Most affected products: @sveltejs/kit (3), devalue (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
- 5 prev 0
Weakness classes
Products
- @sveltejs/kit 3
- devalue 2
Worst active — by depth score
CVE-2026-92708High· 7.5Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job41CVE-2026-81176Medium· 5.3Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job29CVE-2026-66062Medium· 5.3SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte29GHSA-wqjv-9729-c5q2Medium· 5.3SvelteKit: Big remote form function payloads can cause Node process to crash29GHSA-866w-xmhq-wj7xMedium· 4.3SvelteKit: Prototype pollution in file input deletion path in remote-function forms24
sveltejs vulnerabilities
CVEs affecting sveltejs, newest first. Open any entry for full detail, references, and exploit status.
5 CVEsRSS
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