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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Langflow | Langflow | 1.3.2 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Metasploit 1 module
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Langflow AI Custom Component Eval Injection Unauth RCE
exploit/multi/http/langflow_unauth_rce_cve_2026_0769
GitHub 1 repository
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rmhowe425/POC-CVE-2026-0769 ★ 0 · Sep 2, 2026
Proof of concept exploit code for CVE-2026-0769
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.