What is GHSA-6w8v-v5w3-7x56?

GHSA-6w8v-v5w3-7x56 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 fail to validate credential ownership during...

Which CVE IDs does GHSA-6w8v-v5w3-7x56 cover?

GHSA-6w8v-v5w3-7x56 covers the following CVE IDs: CVE-2026-103246. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-6w8v-v5w3-7x56?

GHSA-6w8v-v5w3-7x56 has a CVSS v3 base score of 7.7, published by GitHub Security Advisories.

GHSA-6w8v-v5w3-7x56HighCVSS 7.7

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 fail to validate credential ownership during...

Vendor

GitHub Security Advisories

Published

October 1, 2026

Last Modified

October 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-103246 →

📋 Description

n8n versions before 2.39.6 and 2.40.0 before 2.40.1 fail to validate credential ownership during inline agent node-tool introspection. Attackers can reference arbitrary credential IDs to decrypt and exfiltrate plaintext secrets to attacker-controlled hosts without ownership verification.

🔗 References (4)

https://github.com/n8n-io/n8n/security/advisories/GHSA-9rhv-fhr8-7q5r
https://nvd.nist.gov/vuln/detail/CVE-2026-103246
https://www.vulncheck.com/advisories/n8n-before-2.39.6-and-2.40-x-before-2.40.1-credential-disclosure-via-node-tool-introspection
https://github.com/advisories/GHSA-6w8v-v5w3-7x56