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CVE-2026-0771— Langflow PythonFunction Code Injection Remote Code Execution Vulnerability

Quick assessment

Affected
Langflow Langflow
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.

Langflow是Langflow开源的一个用于构建多代理和 RAG 应用程序的可视化框架。 Langflow存在代码注入漏洞，该漏洞源于处理Python函数组件时可能引入自定义代码，可能导致代码注入和远程代码执行。

AI Predicted 9.8 Difficulty: Easy EPSS 0.64% · P49
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I. Basic Information for CVE-2026-0771

Vulnerability Information
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Vulnerability Title
Langflow PythonFunction Code Injection Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Langflow PythonFunction Code Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Langflow. Attack vectors and exploitability will vary depending on the configuration of the product. The specific flaw exists within the handling of Python function components. Depending upon product configuration, an attacker may be able to introduce custom Python code into a workflow. An attacker can leverage this vulnerability to execute code in the context of the application. Was ZDI-CAN-27497.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
Langflow 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Langflow是Langflow开源的一个用于构建多代理和 RAG 应用程序的可视化框架。 Langflow存在代码注入漏洞，该漏洞源于处理Python函数组件时可能引入自定义代码，可能导致代码注入和远程代码执行。
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

Vendor Product Affected Versions CPE Subscribe
Langflow Langflow 1.4.2 -

II. Public POCs for CVE-2026-0771

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III. Intelligence Information for CVE-2026-0771

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Same Patch Batch · Langflow · 2026-01-23 · 5 CVEs total

CVE-2026-0772 Langflow Disk Cache Deserialization of Untrusted Data Remote Code Execution Vulnerability
CVE-2026-0768 Langflow code Code Injection Remote Code Execution Vulnerability
CVE-2026-0770 Langflow exec_globals Inclusion of Functionality from Untrusted Control Sphere Remote Code
CVE-2026-0769 Langflow eval_custom_component_code Eval Injection Remote Code Execution Vulnerability

IV. Related Vulnerabilities

Same product: Langflow
Same vendor: Langflow
Same weakness: CWE-94

V. Comments for CVE-2026-0771

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