CVE-2026-54308

HIGH

n8n: Missing Token Validation on Microsoft Agent 365 Trigger Node

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.2
EPSS 0.0028
EPSS Percentile 19.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-290
Status published
Products (5)
n8n/n8n < 2.25.7
n8n-io/n8n < 2.25.7
n8n-io/n8n >= 2.26.0, < 2.26.2
npm/n8n 0 - 2.25.7npm
npm/n8n 2.26.0 - 2.26.2npm
Published Jun 23, 2026
Tracked Since Jun 23, 2026