What’s Vulnerable › Vulnerabilities
CVE-2026-54308: n8n: Missing Token Validation on Microsoft Agent 365 Trigger Node
- Severity: high (CVSS 7.2 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-23 · updated 2026-10-25
- Weakness: CWE-290
Description
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-io n8n: before 2.25.7; from 2.26.0 before 2.26.2 — fixed in 2.25.7, 2.26.2
How to fix
Upgrade to a fixed version: n8n-io n8n 2.25.7, 2.26.2. Check the vendor advisory for mitigations.
References
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