CVE-2026-35515

Katalog CVE

CVSS 6.1 · Medium EPSS 0,30%

Kerentanan Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') pada nestjs nest. Skor CVSS 3.1 6.1 (Medium) menurut NVD.

Deskripsi (NVD)

Nest is a framework for building scalable Node.js server-side applications. Prior to 11.1.18, SseStream._transform() interpolates message.type and message.id directly into Server-Sent Events text protocol output without sanitizing newline characters (\r, \n). Since the SSE protocol treats both \r and \n as field delimiters and \n\n as event boundaries, an attacker who can influence these fields through upstream data sources can inject arbitrary SSE events, spoof event types, and corrupt reconnection state. This vulnerability is fixed in 11.1.18.

Rincian

Terbit di NVD

7 April 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

6.1 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:L · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

EPSS (30 hari)

0,30% peluang dieksploitasi; lebih tinggi dari 20,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/nestjs/nest/security/advisories/GHSA-36xv-jgw5-4q75 advisory vendor