CVE-2026-54308: n8n

High severity, CVSS 7.2. EPSS: 0.3% chance of exploitation in the next 30 days.

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 could submit a forged payload and cause the workflow to execute with attacker-controlled data. This vulnerability is fixed in 2.25.7 and 2.26.2.

Affected products

• n8n n8n: before 2.25.7 (fixed in 2.25.7); from 2.26.0, before 2.26.2 (fixed in 2.26.2)

Published 2026-06-23. Last modified 2026-06-26.