CVE-2026-82257
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.
- Published Aug 28, 2026
- CVSS 5.3 medium
- 0.4% chance of exploitation in the next 30 days (EPSS)
- A fix is available