CVE-2026-0771

High

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.

SeverityHigh
CVSS7.1
Exploit probability—
ProductLangflow
PublishedJan 23, 2026
First seenJan 23, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
langflow langflow1.4.2—

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CVE-2026-0771 · Langflow · Dark Radar