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I. Basic Information for CVE-2026-25049
Vulnerability Information

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Vulnerability Title
n8n Has an Expression Escape Vulnerability Leading to RCE
Source: NVD (National Vulnerability Database)
Vulnerability Description
n8n is an open source workflow automation platform. Prior to versions 1.123.17 and 2.5.2, an authenticated user with permission to create or modify workflows could abuse crafted expressions in workflow parameters to trigger unintended system command execution on the host running n8n. This issue has been patched in versions 1.123.17 and 2.5.2.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
动态管理代码资源的控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
n8n 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
n8n是n8n开源的一个可扩展的工作流自动化工具。 n8n 1.123.17之前版本和2.5.2之前版本存在安全漏洞,该漏洞源于经过身份验证的用户可利用工作流参数中的表达式,可能导致主机命令执行。
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
VendorProductAffected VersionsCPESubscribe
n8n-ion8n < 1.123.17 -
II. Public POCs for CVE-2026-25049
#POC DescriptionSource LinkShenlong Link
1有关CVE-2026-25049做了一个模拟沙盒来理解https://github.com/otakuliu/Expression-Sandbox-Escape-Simulation-LabPOC Details
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III. Intelligence Information for CVE-2026-25049
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IV. Related Vulnerabilities
V. Comments for CVE-2026-25049

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