What is GHSA-6m32-557f-fqq9?

GHSA-6m32-557f-fqq9 is a security advisory published by GitHub Security Advisories with High severity. n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain a credentials leak vulnerability in...

Which CVE IDs does GHSA-6m32-557f-fqq9 cover?

GHSA-6m32-557f-fqq9 covers the following CVE IDs: CVE-2026-103256. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-6m32-557f-fqq9?

GHSA-6m32-557f-fqq9 has a CVSS v3 base score of 7.1, published by GitHub Security Advisories.

GHSA-6m32-557f-fqq9HighCVSS 7.1

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain a credentials leak vulnerability in...

Vendor

GitHub Security Advisories

Published

October 1, 2026

Last Modified

October 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-103256 →

📋 Description

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 contain a credentials leak vulnerability in the Wekan and Baserow username-and-password credentials that sends unencrypted passwords to unvalidated hosts. Attackers with credential update permissions can modify the host field to receive account passwords at arbitrary hosts, bypassing domain validation controls.

🔗 References (4)

https://github.com/n8n-io/n8n/security/advisories/GHSA-gx6g-2hm7-c4xf
https://nvd.nist.gov/vuln/detail/CVE-2026-103256
https://www.vulncheck.com/advisories/n8n-before-2.39.6-and-2.40-x-before-2.40.1-credentials-leak-via-preauthentication-hook
https://github.com/advisories/GHSA-6m32-557f-fqq9