CVE-2025-49826: vercel next.js

csirt@kutim:~/threat-intel/cve/CVE-2025-49826

CVSS 7.5 · High EPSS 1,1%

Kerentanan Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') pada vercel next.js. Skor CVSS 3.1 7.5 (High) menurut github.com.

Deskripsi (NVD)

Next.js is a React framework for building full-stack web applications. From versions 15.0.4-canary.51 to before 15.1.8, a cache poisoning bug leading to a Denial of Service (DoS) condition was found in Next.js. This issue does not impact customers hosted on Vercel. Under certain conditions, this issue may allow a HTTP 204 response to be cached for static pages, leading to the 204 response being served to all users attempting to access the page. This issue has been addressed in version 15.1.8.

Rincian

Terbit di NVD: 3 Juli 2025
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 7.5 (High), sumber github.com
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-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
EPSS (30 hari): 1,1% peluang dieksploitasi; lebih tinggi dari 65,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
vercel	next.js	Versi sesudah 15.0.4 hingga sebelum 15.1.8
vercel	next.js	Versi 15.0.4 canary51
vercel	next.js	Versi 15.0.4 canary52

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/vercel/next.js/security/advisories/GHSA-67rr-84xm-4c7r advisory vendor
https://vercel.com/changelog/cve-2025-49826 advisory vendor
https://github.com/vercel/next.js/commit/a15b974ed707d63ad4da5b74c1441f5b7b120e93 patch
https://github.com/vercel/next.js/releases/tag/v15.1.8 release notes

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.