CVE-2026-0769

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductLangflow
PublishedJan 23, 2026
First seenJan 23, 2026
Weakness typeCWE-95CWE-95

How to fix

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

Affected products

ProductAffected versionsFixed in
langflow langflow1.3.2—

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