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CVE-2026-72765— n8n before 2.32.1 Remote Code Execution via Expression Sandbox Escape

Quick assessment

Affected
n8n-io n8n
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

n8n是n8n公司开源的一款支持持续集成与交付的工作流自动化工具。 n8n 2.31.5之前版本和2.32.1之前版本存在代码注入漏洞，该漏洞源于表达式评估中的沙箱逃逸，经过身份验证的用户可利用箭头函数体构造表达式绕过表达式沙箱，导致在运行n8n的主机上执行系统命令。

CVSS 8.7 · High EPSS 0.86% · P57

Affected Version Matrix 4

VendorProduct Version RangeStatus
n8n-io n8n < 2.32.1 affected
2.32.1 unaffected
< 2.31.5 affected
2.31.5 unaffected
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I. Basic Information for CVE-2026-72765

Vulnerability Information
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Vulnerability Title
n8n before 2.32.1 Remote Code Execution via Expression Sandbox Escape
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
n8n 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
n8n是n8n公司开源的一款支持持续集成与交付的工作流自动化工具。 n8n 2.31.5之前版本和2.32.1之前版本存在代码注入漏洞，该漏洞源于表达式评估中的沙箱逃逸，经过身份验证的用户可利用箭头函数体构造表达式绕过表达式沙箱，导致在运行n8n的主机上执行系统命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
n8n-io n8n 0 ~ 2.32.1 -
n8n-io n8n 0 ~ 2.31.5 -

II. Public POCs for CVE-2026-72765

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III. Intelligence Information for CVE-2026-72765

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News Coverage for CVE-2026-72765 (1)

Other References for CVE-2026-72765 (1)

Same Patch Batch · n8n-io · 2026-08-11 · 16 CVEs total

CVE-2026-72772 8.9 HIGH n8n before 2.32.1 Authentication Bypass via Token Exchange
CVE-2026-72767 8.7 HIGH n8n before 1.123.67 Remote Code Execution via Git node
CVE-2026-72766 8.2 HIGH n8n before 1.123.67 Arbitrary File Read via Send Email Node
CVE-2026-72762 7.7 HIGH n8n before 1.123.67 Arbitrary File Write via Edit Image Node
CVE-2026-72763 7.2 HIGH n8n before 1.123.67 Credential Exfiltration via Sub-Workflow
CVE-2026-72771 7.1 HIGH n8n before 2.32.1 Credential Restriction Bypass via AI/LLM Nodes
CVE-2026-72774 7.1 HIGH n8n before 1.123.67 Authentication Bypass via HTTP Request Node
CVE-2026-72770 7.1 HIGH n8n before 1.123.67 Path Traversal via Git Node Operations
CVE-2026-72749 7.1 HIGH n8n before 1.123.67 Prototype Pollution via Edit Fields
CVE-2026-72768 6.4 MEDIUM n8n before 2.32.1 SSRF Protection Bypass via MCP Client
CVE-2026-72769 6.1 MEDIUM n8n before 1.123.67 Prototype Pollution via VM Expression Engine
CVE-2026-72775 5.8 MEDIUM n8n before 1.123.67 SQL Injection via PostgresTrigger Node
CVE-2026-72764 5.8 MEDIUM n8n before 1.123.67 Module Cache Poisoning via Code Node
CVE-2026-72750 5.3 MEDIUM n8n before 1.123.67 SQL Injection via executeQuery Operation
CVE-2026-72773 4.9 MEDIUM n8n before 2.32.1 Path Traversal via computer-use search_files

IV. Related Vulnerabilities

Same product: n8n
Same vendor: n8n-io
Same weakness: CWE-94

V. Comments for CVE-2026-72765

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