CVE-2026-54310

n8n contains a SQL injection vulnerability in the TimescaleDB and legacy Postgres v1 nodes, exploitable by an authenticated user with workflow-edit/create permissions. Before versions 2.25.7 and 2.26.2, crafted parameters could inject arbitrary SQL into the connected database under the privileges...

n8n: SQL Injection in Postgres v1/TimesclaeDB Nodes

Impact An authenticated user with permission to create or modify workflows could supply a crafted parameters to the TimescaleDB and/or legacy Postgres v1 node's allowing arbitrary SQL to be injected and executed against the connected database within the privileges of the configured database...