CVE-2026-54308 — n8n: Missing Token Validation on Microsoft Agent 365 Trigger Node

CVE-2026-54308

n8n: Missing Token Validation on Microsoft Agent 365 Trigger Node PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
n8n-io / n8n	affected >= 2.26.0, < 2.26.2; affected < 2.25.7

CWE

CWE-290

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-jvc7-762p-3743

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.