Thousands of n8n instances threatened by major security issue
Nearly 60,000 n8n instances remain exposed to Ni8mare CVE-2026-21858 The vulnerability allows takeover of an unauthenticated remote server; fixed in version 1.121.0 Shadowserver found most cases in the United States, Europe, and Asia; upgrading is just a defense Experts have warned that nearly 60,000 n8n instances connected to the Internet are still vulnerable to Ni8mare, […]
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