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CVE-2026-0769— Langflow eval_custom_component_code Eval Injection Remote Code Execution Vulnerability

Quick assessment

Affected
Langflow Langflow
Exploitation
High exploitation probability; assess promptly
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存在安全漏洞，该漏洞源于eval_custom_component_code函数实现缺乏对用户提供字符串的验证，可能导致eval注入和远程代码执行。

AI Predicted 10.0 Difficulty: Trivial EPSS 41.70% · P99

Public Exploits 1

Metasploit · 1 langflow_unauth_rce_cve_2026_0769.rb [exploit]

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-0769

Vulnerability Information
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Vulnerability Title
Langflow eval_custom_component_code Eval Injection Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Langflow eval_custom_component_code Eval Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Langflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of eval_custom_component_code function. The issue results from the lack of proper validation of a user-supplied string before using it to execute python code. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26972.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
动态执行代码中指令转义处理不恰当(Eval注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Langflow 安全漏洞
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存在安全漏洞，该漏洞源于eval_custom_component_code函数实现缺乏对用户提供字符串的验证，可能导致eval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 1.3.2 -

II. Public POCs for CVE-2026-0769

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III. Intelligence Information for CVE-2026-0769

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Vendor Advisories for CVE-2026-0769 (1)

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

IV. Related Vulnerabilities

Same product: Langflow
Same vendor: Langflow
Same weakness: CWE-95

V. Comments for CVE-2026-0769

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