New CTI Lab: CVE-2026-21858 (n8n RCE): Offensive

benhopkins

Immerser

10 days ago

Today, Immersive's Container 7 Research Team have released a lab covering a critical vulnerability in the popular n8n workflow automation tool

On January 7, 2026, Cyera Research Labs released an advisory for "Ni8mare," a critical unauthenticated remote code execution vulnerability (CVE-2026-21858) in n8n with a CVSS score of 10.0. The flaw ...

Updated 10 days ago

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benhopkins

Immerser

Ben Hopkins currently works as a Cyber Threat Intelligence Researcher at Immersive Before working at Immersive, Ben spent 6 years as a Police Officer. He started on response, responding to 999 calls for service, such as thefts and burglaries in progress, assaults, road traffic incidents, and domestics. He then spent time working in intelligence-led policing, tackling organised criminality, modern slavery, and county lines. Ben regularly researches and investigates cybercriminals and the tooling they use. He shares this information with the cyber community through malware reports, blogs, and talks to internal stakeholders, external events, and the Human Connection Community.

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New CTI Lab: CVE-2026-21858 (n8n RCE): Offensive

Today, Immersive's Container 7 Research Team have released a lab covering a critical vulnerability in the popular n8n workflow automation tool