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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-82257

SvelteKit before 2.69.1 Prototype Pollution via File Input

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

sveltejs kit

Default version status: unaffected

  • 0 to < 2.69.1affected
  • 2.69.1unaffected
pkg:npm/%40sveltejs/kit

References