# CVE-2026-85165

## Summary

- **CVE ID:** CVE-2026-85165
- **Severity:** HIGH
- **CVSS Score:** 7.2 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-95
- **Published:** Sep 3, 2026
- **Last Modified:** Sep 3, 2026

## 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.

## Affected Products

- n8n-io — n8n (0)
- n8n-io — n8n (2.36.2)
- n8n-io — n8n (2.35.4)

## References

- [CNA](https://github.com/n8n-io/n8n/security/advisories/GHSA-fg85-4wv2-p98j)
- [CNA](https://www.vulncheck.com/advisories/n8n-before-2.36.2-expression-sandbox-bypass-via-spreadelement)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.26%
- **EPSS Percentile:** 17.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._