CVE-2026-54310: n8n

Critical severity, CVSS 9.9. EPSS: 0.5% chance of exploitation in the next 30 days.

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, 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 account. This vulnerability is fixed in 2.25.7 and 2.26.2.

Affected products

• n8n n8n: before 2.25.7 (fixed in 2.25.7); from 2.26.0, before 2.26.2 (fixed in 2.26.2)

Published 2026-06-23. Last modified 2026-06-25.