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"n8n is great until you hit the Ni8mare vulnerabilities. We had to move our production workflows to Python just to sleep at night." — Senior DevOps Engineer, Reddit
In May 2026, Singapore's CSA and Belgium's CCB issued formal warnings regarding n8n's recurring RCE vulnerabilities. This follows the "6 CVEs in One Day" report from February, highlighting a systemic failure in n8n's privileged execution model.