module

Langflow RCE

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Disclosed
Feb 25, 2026
Created
Apr 23, 2026

Description

The CSV Agent node in Langflow hardcodes allow_dangerous_code=True, which automatically exposes LangChain's Python REPL tool (python_repl_ast).
As a result, an attacker can execute arbitrary Python and OS commands on the server via prompt injection, leading to full Remote Code Execution (RCE).

Authors

weblover12
Takahiro Yokoyama

Platform

Linux,Python,Unix

Architectures

cmd, python

References

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':


    msf > use exploit/multi/http/langflow_rce_cve_2026_27966
    msf exploit(langflow_rce_cve_2026_27966) > show targets
        ...targets...
    msf exploit(langflow_rce_cve_2026_27966) > set TARGET < target-id >
    msf exploit(langflow_rce_cve_2026_27966) > show options
        ...show and set options...
    msf exploit(langflow_rce_cve_2026_27966) > exploit
Title
Rapid7 Labs

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