Bug Bounty And Vuln HuntingVulnerability

n8n sandbox bypass remote code execution

April 4, 2026Qualys

Qualys reports a critical n8n vulnerability (CVE-2026-33660) where authenticated attackers can bypass sandboxing and execute arbitrary commands, a major risk for automation workflows that often run with broad integrations.

A critical remote code execution vulnerability has been identified in n8n, the popular open-source workflow automation tool.
Tracked as CVE-2026-33660 with a CVSS score of 9.4, this flaw allows authenticated attackers to bypass sandboxing and execute arbitrary commands
Qualys
cveworkflow automationrcecveopen sourcecode execution

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