What is GHSA-qhgm-jv25-h5h2?

GHSA-qhgm-jv25-h5h2 is a security advisory published by GitHub Security Advisories with High severity. n8n versions before 2.36.2 contain an expression sandbox bypass vulnerability where free...

Which CVE IDs does GHSA-qhgm-jv25-h5h2 cover?

GHSA-qhgm-jv25-h5h2 covers the following CVE IDs: CVE-2026-85165. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-qhgm-jv25-h5h2?

GHSA-qhgm-jv25-h5h2 has a CVSS v3 base score of 9.9, published by GitHub Security Advisories.

GHSA-qhgm-jv25-h5h2HighCVSS 9.9

n8n versions before 2.36.2 contain an expression sandbox bypass vulnerability where free...

Vendor

GitHub Security Advisories

Published

September 3, 2026

Last Modified

September 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-85165 →

📋 Description

n8n versions before 2.36.2 contain an expression sandbox bypass vulnerability where free identifiers in spread, computed-key, switch-case, or class-extension positions resolve against process globals. Authenticated users with workflow-edit permission can mutate host objects through expression evaluation, with changes persisting process-wide until restart.

🔗 References (4)

https://github.com/n8n-io/n8n/security/advisories/GHSA-fg85-4wv2-p98j
https://nvd.nist.gov/vuln/detail/CVE-2026-85165
https://www.vulncheck.com/advisories/n8n-before-2.36.2-expression-sandbox-bypass-via-spreadelement
https://github.com/advisories/GHSA-qhgm-jv25-h5h2