Lucene search
+L

n8n Vulnerable to RCE via Arbitrary File Write

🗓️ 06 Jan 2026 17:48:24Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 71 Views

Authenticated remote code execution via arbitrary file write in n8n; fixed in version 1.121.3.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for CVE-2026-21877
8 Jan 202613:15
–githubexploit
bdu_fstec
BDU FSTEC
N8n Automation Platform Code Generation
28 Jan 202600:00
–bdu_fstec
circl
Circl
CVE-2026-21877
7 Jan 202606:27
–circl
cnnvd
CNNVD
n8n code issue vulnerabilities
8 Jan 202600:00
–cnnvd
cve
CVE
CVE-2026-21877
8 Jan 202600:39
–cve
cvelist
Cvelist
CVE-2026-21877 n8n is vulnerable to Remote Code Execution via Arbitrary File Write
8 Jan 202600:39
–cvelist
euvd
EUVD
EUVD-2026-1037
8 Jan 202600:39
–euvd
hackread
HackRead
n8n Users Urged to Patch CVSS 10.0 Full System Takeover Vulnerability
8 Jan 202620:02
–hackread
kitploit
Kitploit
CVE-2026-21877
26 Oct 202605:15
–kitploit
kitploit
Kitploit
cve-2026-21877-rce
26 Oct 202616:25
–kitploit
Rows per page
Vulners
Node
n8nn8nRange0.123.0–1.121.3npm

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation