CVE-2026-82260 SvelteKit before 2.52.2 Memory Exhaustion via 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 cause excessive memory allocation, crashing the server process an...

CVE-2026-82260

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 cause excessive memory allocation, crashing the server process an...

CVE-2026-82259

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 process the files array without validating files.length or...

PT-2026-24195

Some relatively small inputs can cause very large files arrays in form handlers. If the SvelteKit application code doesn't check files.length or individual files' sizes and performs expensive processing with them, it can result in Denial of Service. Only users with experimental.remoteFunctions:...