Disclosure summary
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.
Source-reported weakness categories
CWE-1321
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2026-82257
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| svelte | sveltekit | * {"versionEndExcluding":"2.69.1"} |
Original records & references
- NIST NVD record
- CVE Program record
- github.com — Vendor Advisory
- www.vulncheck.com — Third Party Advisory
PUBLISHED 2026-08-28T08:16:38-04:00
MODIFIED 2026-10-08T12:17:48-04:00
INGESTED 2026-10-10T20:50:36-04:00