ZDI-26-036: (0Day) Langflow exec_globals Inclusion of Functionality from Untrusted Control Sphere Remote Code Execution Vulnerability

Published Jan 9, 2026
·
Updated

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 handling of the execglobals parameter provided to the validate endpoint. The issue results from the inclusion of a resource from an untrusted control sphere. An attacker can leverage this vulnerability to execute code in the context of root.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Langflow. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 9.8. The following CVEs are assigned: CVE-2026-0770.

ZDI

Affected Software

1 affected component
Langflow

Event History

Jan 9, 2026
Advisory Published
via ZDI·12:00 AM
Data Sourced
via ZDI·12:00 AM
DescriptionSeverityAffected Software
Advisory Published
via ZDI·06:00 AM

Frequently Asked Questions

1

What is the severity of ZDI-26-036?

The severity of ZDI-26-036 is critical as it allows remote code execution without authentication.

2

How do I fix ZDI-26-036?

To fix ZDI-26-036, apply the latest security patches provided by the Langflow development team.

3

What software is affected by ZDI-26-036?

ZDI-26-036 affects installations of Langflow across all versions.

4

Can ZDI-26-036 be exploited remotely?

Yes, ZDI-26-036 can be exploited remotely, allowing attackers to execute arbitrary code.

5

Is authentication required to exploit ZDI-26-036?

No, authentication is not required to exploit ZDI-26-036, making it particularly dangerous.

Contact

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