Templates / Run a weekly n8n security audit and email changes with Supabase and Gmail

Run a weekly n8n security audit and email changes with Supabase and Gmail

Ready for 3.0

by Flowcheckers ✓ · 46 views · created 2026-05-21 · SecOps

Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.

What this workflow does

This workflow has 7 nodes and runs on a schedule (every week at 09:00). Along the way it connects Supabase and Gmail.

How it runs

Trigger: On a schedule (every week at 09:00).

  1. Generate a security audit (n8n): generate (audit)
  2. Fetch Previous Audit (Supabase): get many
  3. Compare Audits (Code): runs custom JavaScript code
  4. Store Audit Result (Supabase): uses Supabase
  5. Any New Findings? (If): checks a condition and branches into true / false
  6. Send Alert Email (Gmail): uses Gmail

Services it uses

SupabaseGmail

Before you upgrade to n8n 3.0

Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.

Nodes used (6)

From the author

How it works If your main Error Diagnosis workflow fails for any reason, this backup workflow sends an alert email to the workflow owner. For a (main) advanced and automated error diagnosis workflow check: ++flowcheckers.com++ Node 1 - Backup Error Trigger No…

Excerpt from Flowcheckers's description on n8n.io.

View the original on n8n.io → Check your own copy

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