What is CVE-2026-54308?

CVE-2026-54308 is a high-severity vulnerability in N8n, classified under Authentication Bypass by Spoofing. CVSS score: 7.2/10. Published 2026-06-23.

How severe is CVE-2026-54308?

High severity. CVSS v3 base score is 7.2 out of 10.

Vulnerability in N8n

CVE-2026-54308

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, the MicrosoftAgent365Trigger and StripeTrigger node did not validate that inbound requests. As a result, an unauthenticated attacker who knows the webhook URL…

EPSS: 0.003 (19.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

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

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

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

Frequently asked questions

What is CVE-2026-54308?: CVE-2026-54308 is a high-severity vulnerability in N8n, classified under Authentication Bypass by Spoofing. CVSS score: 7.2/10. Published 2026-06-23.
How severe is CVE-2026-54308?: High severity. CVSS v3 base score is 7.2 out of 10.