CVE-2026-82257

Katalog CVE

CVSS 4.3 · Medium EPSS 0,36%

Kerentanan Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') pada sveltekit. Skor CVSS 3.1 4.3 (Medium) menurut vulncheck.com.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

28 Agustus 2026

Terakhir diubah

8 Oktober 2026

Status NVD

Analyzed

CVSS 3.1

4.3 (Medium), sumber vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

EPSS (30 hari)

0,36% peluang dieksploitasi; lebih tinggi dari 27,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/sveltejs/kit/security/advisories/GHSA-866w-xmhq-wj7x advisory vendor
• https://www.vulncheck.com/advisories/sveltekit-before-2.69.1-prototype-pollution-via-file-input advisory pihak ketiga