What is CVE-2026-54310?

CVE-2026-54310 is a critical-severity vulnerability in N8n, classified under SQL Injection. CVSS score: 9.9/10. Published 2026-06-23.

How severe is CVE-2026-54310?

Critical severity. CVSS v3 base score is 9.9 out of 10.

SQL Injection in N8n

CVE-2026-54310

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 allow…

Vulnerability class: SQL Injection

EPSS: 0.004 (32.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

N8n
N8n-io N8n — versions >= 2.26.0, < 2.26.2, < 2.25.7

Weakness classification (CWE)

CWE-89 — SQL Injection

References

security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-54310?: CVE-2026-54310 is a critical-severity vulnerability in N8n, classified under SQL Injection. CVSS score: 9.9/10. Published 2026-06-23.
How severe is CVE-2026-54310?: Critical severity. CVSS v3 base score is 9.9 out of 10.