What is CVE-2026-45732?

CVE-2026-45732 is a high-severity vulnerability in N8n, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-06-23.

How severe is CVE-2026-45732?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in N8n

CVE-2026-45732

n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, the OAuth1 and OAuth2 credential reconnect endpoints authorized access using credential:read rather than credential:update. An authenticated user wi…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.003 (24.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

N8n
N8n-io N8n — versions < 1.123.43, >= 2.0.0-rc.0, < 2.20.7, >= 2.21.0, < 2.21.1

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

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

Frequently asked questions

What is CVE-2026-45732?: CVE-2026-45732 is a high-severity vulnerability in N8n, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-06-23.
How severe is CVE-2026-45732?: High severity. CVSS v3 base score is 8.1 out of 10.