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Securing Agentic AI Workflows in n8n: From Leaked API Keys to Encryption Key Compromise

calendar_today August 5, 2026 person Guillaume Valadon domain gitguardian

A leaked n8n API key is only the start. GitGuardian’s research traces the full chain, from exposed tokens and weak keys to CVE-2026-25053 and the N8N_ENCRYPTION_KEY that protects every stored credential, then lays out a hardened configuration to break it.

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