Svelte: >> Sveltekit >> 2.38.0 Security Vulnerabilities
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 application process.
CVSS Score
6.9
EPSS Score
0.002
Published
2026-08-28
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 on the prototype, potentially disabling application functionality.
CVSS Score
5.3
EPSS Score
0.002
Published
2026-08-28
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 sensitive data from other users' concurrent requests.
CVSS Score
5.9
EPSS Score
0.001
Published
2026-08-28