Max severity Ni8mare flaw impacts nearly 60,000 n8n instances

BleepingComputer

January 12, 2026 at 2:05 PM

Overview

A significant security vulnerability, known as 'Ni8mare', has been discovered affecting nearly 60,000 instances of n8n, an open-source workflow automation tool. This flaw is classified as maximum severity, meaning it poses a serious risk to users who have not yet applied the necessary patches. The vulnerability could potentially allow attackers to exploit exposed instances, leading to unauthorized access or data breaches. As of now, many users remain unprotected, which raises concerns about the security of their automated workflows and sensitive data. It’s crucial for n8n users to address this issue immediately to prevent possible exploitation.

Key Takeaways

Affected Systems: n8n instances
Action Required: Users should apply the latest patches provided by n8n to secure their instances against the Ni8mare vulnerability.
Timeline: Newly disclosed

Original Article Summary

Nearly 60,000 n8n instances exposed online remain unpatched against a maximum-severity vulnerability dubbed "Ni8mare." [...]

Impact

n8n instances

Exploitation Status

The exploitation status is currently unknown. Monitor vendor advisories and security bulletins for updates.

Timeline

Newly disclosed

Remediation

Users should apply the latest patches provided by n8n to secure their instances against the Ni8mare vulnerability.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Exploit, Vulnerability, Patch.

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