CVE-2026-30226

Katalog CVE

CVSS 7.5 · High EPSS 0,55%

Kerentanan Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') pada svelte devalue. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. In devalue v5.6.3 and earlier, devalue.parse and devalue.unflatten were susceptible to prototype pollution via maliciously crafted payloads. Successful exploitation could lead to Denial of Service (DoS) or type confusion. This vulnerability is fixed in 5.6.4.

Rincian

Terbit di NVD

11 Maret 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

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

EPSS (30 hari)

0,55% peluang dieksploitasi; lebih tinggi dari 44,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/sveltejs/devalue/security/advisories/GHSA-cfw5-2vxh-hr84 advisory vendor