CVE-2026-54308 | n8n is an open source workflow automation platform. Prior to… | CVSS 6.3 MEDIUM

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.

Metadata

CVE ID: CVE-2026-54308
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-06-12 18:42 UTC
Published: 2026-06-23 15:42 UTC
Last updated: 2026-06-23 15:42 UTC
Primary CWE: CWE-290
CWE-290: Authentication Bypass by Spoofing
Vendor / Product: n8n-io / n8n
Sources: cve.org · NVD

Severity & Metrics

6.3 MEDIUM CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Affected products (1)

Vendor	Product	Platform	Versions
n8n-io	n8n	—	>= 2.26.0, < 2.26.2, < 2.25.7

Weakness (CWE)

CWE	Source	Description
CWE-290	cna	CWE-290: Authentication Bypass by Spoofing

CVSS scores (1)

Score	Severity	Version	Source	Vector
6.3	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

References (1)

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