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CVE-2026-72765n8n before 2.32.1 Remote Code Execution via Expression Sandbox Escape
n8n before 2.31.5 and before 2.32.1 contain a sandbox escape vulnerability in expression evaluation. An authenticated user with permission to create or modify workflows can craft expressions using arrow-function bodies to bypass the expression sandbox, triggering system command execution on the host running n8n. The issue is fixed in versions 2.31.5 and 2.32.1.
8.7 HIGHEPSS 0.86%Not in KEVNVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.7 | HIGH | 4.0VulnCheck (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 9.9 | CRITICAL | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Details
- CVE ID
- CVE-2026-72765
- Status
- Analyzed
- Assigner (CNA)
- VulnCheck
- Published
- Aug 11, 2026
- Last modified
- 2026-10-29 21:16 UTC
- Weaknesses
- CWE-94 · Improper Control of Generation of Code ('Code Injection')
Affected Products
As published by the CNA in the CVE record.
n8n-ion8n1 version range
- 2.32.0 before 2.32.1
n8n-ion8n1 version range
- before 2.31.5