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CVE-2026-86075 n8n: Unauthenticated Persistent Storage Exhaustion via OAuth Dynamic Client Registration Endpoint

🗓️ 08 Sep 2026 21:29:38Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

Unauthenticated storage exhaustion in n8n via oversized OAuth client_name and grant_types values.

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10 Sep 2026 03:48Current
5.7Medium risk
Vulners AI Score5.7
CVSS 48.7
2