Critical

Leaked n8n API Tokens Exposed Live Instances to Credential Theft

The Hacker News

August 5, 2026 at 10:35 AM

Actively Exploited

Overview

Researchers from GitGuardian discovered that 321 n8n instances had API tokens exposed in public GitHub commits. They identified 4,576 unique credentials linked to 1,255 hostnames, revealing that attackers could potentially access sensitive data and downstream credentials without needing to exploit any software vulnerabilities. This situation poses a significant risk, as unauthorized users could leverage these exposed tokens for credential theft. Companies using n8n should take immediate action to secure their API tokens and review their public repositories to prevent further exposure. This incident underscores the need for better security practices regarding sensitive credentials in code repositories.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: n8n API tokens, public GitHub repositories
Action Required: Companies should audit their public GitHub repositories for exposed API tokens and implement stricter access controls for sensitive credentials.
Timeline: Disclosed on October 2023

Original Article Summary

GitGuardian researchers found 321 n8n instances accepting API tokens exposed in public GitHub commits and demonstrated four ways attackers could use them to access sensitive data and downstream credentials without exploiting a software vulnerability. We scanned public GitHub commits for exposed n8n API tokens and identified 4,576 unique credentials associated with 1,255 hostnames. Of the 896

Impact

n8n API tokens, public GitHub repositories

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Disclosed on October 2023

Remediation

Companies should audit their public GitHub repositories for exposed API tokens and implement stricter access controls for sensitive credentials.

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.

Read Original Article

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