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sveltekit vulnerabilities

CVEs whose affected-version data names the sveltekit package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.

6 CVEsRSS

CVE-2026-82261High· 7.5
1mo ago

SvelteKit (@sveltejs/kit) versions >=2.49.0 and <=2.52.1 with experimental remote functions and form enabled contain a CPU exhaustion vulnerability in form deserialization

SvelteKit (@sveltejs/kit) versions >=2.49.0 and <=2.52.1 with experimental remote functions and form enabled contain a CPU exhaustion vulnerability in form deserialization. An attacker can send malformed form data to cause the server to …

▾ Twilightsvelte · sveltekitEPSS 0.49%via NVD
CVE-2026-82260High· 7.5
1mo ago

SvelteKit (@sveltejs/kit) versions >=2.49.0 and <=2.52.1 with experimental remote functions (experimental.remoteFunctions) and form enabled contain a memory exhaustion vulnerability in remote form deserialization

SvelteKit (@sveltejs/kit) versions >=2.49.0 and <=2.52.1 with experimental remote functions (experimental.remoteFunctions) and form enabled contain a memory exhaustion vulnerability in remote form deserialization. Malformed form data can…

▾ Twilightsvelte · sveltekitEPSS 0.49%via NVD
CVE-2026-82259High· 7.5
1mo ago

SvelteKit versions from 2.49.0 through 2.53.2 (fixed in 2.53.3) contain a deserialization expansion issue in the experimental form remote function

SvelteKit versions from 2.49.0 through 2.53.2 (fixed in 2.53.3) contain a deserialization expansion issue in the experimental form remote function. When an application enables experimental.remoteFunctions and uses the form function to pr…

▾ Twilightsvelte · sveltekitEPSS 0.53%via NVD
CVE-2026-82258Medium· 4.8
1mo ago

SvelteKit versions from 2.38.0 before 2.60.1 contain a race condition in query.batch that allows concurrent requests from different users to merge under a single request context

SvelteKit versions from 2.38.0 before 2.60.1 contain a race condition in query.batch that allows concurrent requests from different users to merge under a single request context. Attackers can exploit specific timing conditions to access…

▾ Sunlitsvelte · sveltekitEPSS 0.24%via NVD
CVE-2026-82257Medium· 4.3
1mo ago

SvelteKit versions before 2.69.1 contain a prototype pollution vulnerability in remote form functions with file input fields that accept arbitrary user-controlled path names

SvelteKit versions before 2.69.1 contain a prototype pollution vulnerability in remote form functions with file input fields that accept arbitrary user-controlled path names. Attackers can manipulate the deletion path to remove methods o…

▾ Sunlitsvelte · sveltekitEPSS 0.36%via NVD
CVE-2026-82256Medium· 5.3
1mo ago

SvelteKit before 2.69.1 fails to properly validate remote form function payload sizes, allowing attackers to crash the Node process by sending large payloads

SvelteKit before 2.69.1 fails to properly validate remote form function payload sizes, allowing attackers to crash the Node process by sending large payloads. Repeated exploitation causes denial of service by repeatedly crashing the appl…

▾ Sunlitsvelte · sveltekitEPSS 0.42%via NVD
sveltekit vulnerabilities (CVEs) · VulnSea