What is GHSA-w2h3-gf8c-fwgw?

GHSA-w2h3-gf8c-fwgw is a security advisory published by GitHub Security Advisories with High severity. n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a...

Which CVE IDs does GHSA-w2h3-gf8c-fwgw cover?

GHSA-w2h3-gf8c-fwgw covers the following CVE IDs: CVE-2026-103254. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-w2h3-gf8c-fwgw?

GHSA-w2h3-gf8c-fwgw has a CVSS v3 base score of 6.3, published by GitHub Security Advisories.

GHSA-w2h3-gf8c-fwgwHighCVSS 6.3

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a...

Vendor

GitHub Security Advisories

Published

October 1, 2026

Last Modified

October 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-103254 →

📋 Description

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a path traversal vulnerability in signed resume URL generation for Send-and-Wait approvals. Attackers with workflow creation permissions can mint valid approval URLs for gates in projects they cannot access by exploiting unresolved traversal sequences in caller-controlled node IDs, enabling cross-project approval forgery.

🔗 References (4)

https://github.com/n8n-io/n8n/security/advisories/GHSA-597w-c3jh-g8fg
https://nvd.nist.gov/vuln/detail/CVE-2026-103254
https://www.vulncheck.com/advisories/n8n-before-1.123.80-2.39.6-and-2.40.1-path-traversal-via-resume-url-generation
https://github.com/advisories/GHSA-w2h3-gf8c-fwgw