Max severity Ni8mare flaw lets hackers hijack n8n servers
5 days ago · A maximum severity vulnerability dubbed "Ni8mare" allows remote, unauthenticated attackers to take control over locally deployed instances of the N8N workflow automation …
Critical n8n bug allows unauthenticated server takeover
3 days ago · Tracked as CVE-2026-21858, the flaw allows an unauthenticated attacker to execute arbitrary code on vulnerable systems, effectively handing over complete control of the affected …
Ni8mare - Unauthenticated Remote Code Execution in n8n (CVE ...
4 days ago · Cyera Research Labs has discovered a "worst-case scenario" flaw in n8n, the industry-leading platform for AI and workflow automation. Dubbed "Ni8mare," this vulnerability …
Maximum Severity “Ni8mare” Bug Lets Hackers Hijack n8n ...
3 days ago · 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 …
Ni8mare: n8n CVE-2026-21858 Remote Code Execution ...
4 days ago · Learn how the n8n CVE-2026-21858 vulnerability works. Picus explains how attackers exploit Ni8mare to achieve remote code execution in detail.
Critical n8n Vulnerability (CVSS 10.0) Allows Unauthenticated ...
4 days ago · The vulnerability, tracked as CVE-2026-21858 (CVSS score: 10.0), has been codenamed Ni8mare by Cyera Research Labs. Security researcher Dor Attias has been …
January 7 Advisory: n8n Unauthenticated Remote Code Execution ...
5 days ago · Vulnerability Description CVE-2026-21858 is a critical unauthenticated remote code execution (RCE) vulnerability in n8n, a widely used workflow automation platform. The …