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CVE-2026-110853— n8n before 1.123.83 Authorization Bypass via Execute Sub-workflow Inline JSON

一分钟漏洞结论

影响对象
n8n-io n8n
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

n8n before 1.123.83 contains an authorization bypass vulnerability that allows authenticated members to spoof workflow identity by supplying a trusted identifier in Execute Sub-workflow inline JSON mode. Attackers can set this identifier to resolve credentials

CVSS 7.1 · High
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一、 漏洞 CVE-2026-110853 基础信息

漏洞信息

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Vulnerability Title
n8n before 1.123.83 Authorization Bypass via Execute Sub-workflow Inline JSON
来源: CVE Program / CVE List V5
Vulnerability Description
n8n before 1.123.83 contains an authorization bypass vulnerability that allows authenticated members to spoof workflow identity by supplying a trusted identifier in Execute Sub-workflow inline JSON mode. Attackers can set this identifier to resolve credentials from projects they do not belong to and modify another workflow's static data and error-workflow dispatch.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
n8n-io n8n 0 ~ 1.123.83 -

二、漏洞 CVE-2026-110853 的公开POC

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三、漏洞 CVE-2026-110853 的情报信息

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CVE-2026-110853 其他参考 (2)

同批安全公告 · n8n-io · 2026-10-14 · 共 14 条

CVE-2026-110843 8.2 HIGH n8n before 2.41.4 and 2.42.1 Unauthenticated Unbounded OAuth Client Persistence via Author
CVE-2026-110842 7.7 HIGH n8n before 2.41.4 and 2.42.1 Prototype Pollution via MCP Workflow-Validation Interpreter
CVE-2026-110845 7.7 HIGH n8n before 1.123.83, 2.41.4, and 2.42.1 Code Execution via Git Node Log Operation
CVE-2026-110850 7.2 HIGH n8n before 2.41.4 and 2.42.1 Credential Check Bypass via Agent Node Parameters
CVE-2026-110844 7.2 HIGH n8n before 1.123.83 Credential Authorization Bypass via Nested Inline Sub-Workflows
CVE-2026-110849 7.2 HIGH n8n before 1.123.83, 2.41.4, and 2.42.1 Stored XSS via Binary-Data File Preview
CVE-2026-110846 7.0 HIGH n8n before 2.41.4 and 2.42.1 Send-and-Wait HMAC Signature Bypass via Waiting-Webhook
CVE-2026-110847 7.0 HIGH n8n before 1.123.83, 2.41.4, and 2.42.1 Stored XSS via Chat Trigger customCss Parameter
CVE-2026-110840 7.0 HIGH n8n before 2.41.4 and 2.42.1 SQL Injection via Microsoft SQL Node Query Field
CVE-2026-110852 6.3 MEDIUM n8n before 1.123.83, 2.41.4, and 2.42.1 Unauthenticated Workflow Execution via Dynamic-Pat
CVE-2026-110851 6.1 MEDIUM n8n before 2.41.4 and 2.42.1 Cross-Project Agent Ownership Transfer via Agents Create Endp
CVE-2026-110841 6.1 MEDIUM n8n before 2.41.4 and 2.42.0 Authorization Bypass in Agent Chat Resume Tool Approval
CVE-2026-110848 6.0 MEDIUM n8n before 1.123.83, 2.41.4, and 2.42.1 Prototype Pollution via AI Workflow Builder Connec

IV. Related Vulnerabilities

Same product: n8n
Same vendor: n8n-io
Same weakness: CWE-639

V. Comments for CVE-2026-110853

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