Security researchers at Security Joes have uncovered a critical vulnerability in n8n's workflow editor that allows an authenticated user to execute arbitrary operating system commands. The vulnerability, discovered while testing a patch for CVE-2026-27577, could have serious implications for organizations using the automation platform. The affected users are those who can authenticate to the n8n server, as the exploit would require this level of access. While the vulnerability is serious, it is unlikely that an attacker could execute commands without leaving a trail of digital breadcrumbs, making it harder for them to remain undetected. Nonetheless, organizations must take immediate action to patch their n8n installations. The vulnerability was first reported by Security Joes in February 2023, but it was not addressed until now. n8n has since patched the issue, but the delay raises concerns about the company's vulnerability response. The affected users are those who can authenticate to the n8n server, as the exploit would require this level of access. Organizations should review their n8n configurations and implement additional security measures to prevent similar vulnerabilities in the future.
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