CVE-2026-21858: n8n — Katalog CVE

csirt@kutim:~/threat-intel/cve/CVE-2026-21858

CVSS 10.0 · Critical EPSS 78,2%

Kerentanan Improper Input Validation pada n8n. Skor CVSS 3.1 10.0 (Critical) menurut github.com.

Deskripsi (NVD)

n8n is an open source workflow automation platform. Versions starting with 1.65.0 and below 1.121.0 enable an attacker to access files on the underlying server through execution of certain form-based workflows. A vulnerable workflow could grant access to an unauthenticated remote attacker, resulting in exposure of sensitive information stored on the system and may enable further compromise depending on deployment configuration and workflow usage. This issue is fixed in version 1.121.0.

Rincian

Terbit di NVD: 8 Januari 2026
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 10.0 (Critical), sumber github.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-20: Improper Input Validation
EPSS (30 hari): 78,2% peluang dieksploitasi; lebih tinggi dari 99,5% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
n8n	n8n	Versi 1.65.0 hingga sebelum 1.121.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/n8n-io/n8n/security/advisories/GHSA-v4pr-fm98-w9pg advisory vendor
https://www.cyera.com/research-labs/ni8mare-unauthenticated-remote-code-execution-in-n8n-cve-2026-21858 exploit · 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.