CVE-2026-56358: n8n — Katalog CVE

csirt@kutim:~/threat-intel/cve/CVE-2026-56358

CVSS 5.4 · Medium EPSS 0,24%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada n8n. Skor CVSS 3.1 5.4 (Medium) menurut vulncheck.com.

Deskripsi (NVD)

n8n before 1.123.25 (1.x) and before 2.11.2 (2.x), with the fix also included in 2.12.0, contains a stored cross-site scripting vulnerability in the Form Trigger node's CSS sanitization that allows authenticated users to inject malicious scripts. Attackers with workflow creation permissions can inject XSS payloads that execute persistently for all form visitors, enabling form hijacking and phishing attacks.

Rincian

Terbit di NVD: 24 Juni 2026
Terakhir diubah: 26 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 5.4 (Medium), sumber vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS (30 hari): 0,24% peluang dieksploitasi; lebih tinggi dari 14,3% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
n8n	n8n	Semua versi sebelum 1.123.25
n8n	n8n	Versi 2.0.0 hingga sebelum 2.11.2

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/n8n-io/n8n/security/advisories/GHSA-q4fm-pjq6-m63g mitigasi · advisory vendor
https://www.vulncheck.com/advisories/n8n-stored-cross-site-scripting-in-form-trigger-node advisory pihak ketiga

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.