2026-01-08 · 2026-Q1
n8n "Ni8mare" CVSS 10.0 RCE
Which agent, run, or tenant is this?
- Fixable
- Vendor patch
- Vendor response
- Patched
- In the wild
- No
- Actor
- Attacker
Target
n8n workflow automation (~100K instances)
Impact
Unauthenticated full server takeover; access to API credentials, OAuth tokens, CI/CD pipelines, payment processors
Root cause
Content-Type confusion in webhook processing overwrites req.body.files; no code execution sandboxing
CVEs
Sources
Catalog
Cite this: AgentProv incident record: n8n "Ni8mare" CVSS 10.0 RCE (2026-01-08). https://agentprov.com/incidents/2026-01-08-n8n-ni8mare-cvss-10-0-rce
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