Browsing: n8n Security & Vulnerabilities

The Code node was running a client’s data processing logic, and I had not thought about what that meant for…

I was mid-deployment on a client’s EC2 instance when CVE-2026-21858 dropped into my feed. They were already calling it Ni8mare,…

The GitHub notification came in at 6:47am on a Tuesday and I almost dismissed it the way I dismiss most dependency update alerts, which is to say immediate

The Workflow Was Running Fine. That Was the Problem. The first sign was a webhook execution I did not recognise in the logs. Not an error. A successful exe

The GitHub security advisory came through on a Friday morning, which is either the best or worst time to receive one depending on whether you have client w

It was eleven at night when I pulled up the npm page for the community node my client had installed three months before I started working with them. I wasn

I saw the CISA alert on a Thursday morning and my first thought was not about the vulnerability. It was about a specific n8n instance I helped someone set

The first sign was a credential that stopped working. Not dramatically — no 401 cascade, no workflow failing loudly across twelve executions. Just a single

I was in the middle of debugging a webhook timing issue on a client’s n8n instance when the message came through on Discord. Someone posted a link, no cont

The first thing I noticed was the login attempt timestamp. I was reviewing execution logs on a client’s self-hosted n8n instance, a t3.medium on EC2 runnin