CVE-2026-54308: n8n: Missing Token Validation on Microsoft Agent 365 Trigger and Stripe Nodes

June 16, 2026 (updated July 20, 2026)

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.

References

github.com/advisories/GHSA-jvc7-762p-3743
github.com/n8n-io/n8n/security/advisories/GHSA-jvc7-762p-3743
nvd.nist.gov/vuln/detail/CVE-2026-54308

Code Behaviors & Features

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