What is CVE-2026-54304?

CVE-2026-54304 is a high-severity vulnerability in N8n, classified under Information Disclosure. CVSS score: 7.7/10. Published 2026-06-23.

How severe is CVE-2026-54304?

High severity. CVSS v3 base score is 7.7 out of 10.

Information disclosure in N8n

CVE-2026-54304

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.1, an authenticated user with permission to create or modify workflows and access to a SecurityScorecard credential with limited allowed domains could…

Vulnerability class: Information Disclosure

EPSS: 0.004 (28.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

N8n
N8n-io N8n — versions < 1.123.55, >= 2.26.0, < 2.26.1, >= 2.0.0-rc.0, < 2.25.7

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

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

Frequently asked questions

What is CVE-2026-54304?: CVE-2026-54304 is a high-severity vulnerability in N8n, classified under Information Disclosure. CVSS score: 7.7/10. Published 2026-06-23.
How severe is CVE-2026-54304?: High severity. CVSS v3 base score is 7.7 out of 10.