Ransomwarecritical
Maximum Severity “Ni8mare” Bug Lets Hackers Hijack n8n Servers
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-21858 | Unauthenticated RCE in n8n Workflow Automation (Ni8mare) | 10.0 | 78% | PoC ×2 |
From the original article
2 min read at infosecurity-magazine.com
Security experts have warned of a critical new vulnerability in popular AI workflow automation platform n8n that could enable adversaries to take over locally deployed instances and compromise enterprise secrets. Cyera revealed the “Ni8mare” vulnerability (CVE-2026-21858) in a blog post yesterday. It has a CVSS score of 10.
By Phil Muncaster · infosecurity-magazine.com
A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.