CVE-2026-0771 HIGH

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

Vendor Langflow
Product Langflow
Weakness CWE-94 · Code injection
Published January 23, 2026
Last update February 26, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

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.

Key dates

Disclosure timeline

January 23, 2026 CVE published
February 26, 2026 Record updated