N8N N8N — CVE-2026-54310 (Critical)
Summary
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.
Why it matters
This CVE carries a CRITICAL severity rating (CVSS 9.9) in N8N N8N. Patch or mitigate promptly. EPSS percentile: 23%.
Operator check
Review CVE-2026-54310 in your asset inventory. Apply patches per vendor guidance and verify N8N is not exposed. CVSS score: 9.9. EPSS probability: 0.3%; percentile: 23%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.