CVE-2026-0769 PUBLISHED

Langflow eval_custom_component_code Eval Injection Remote Code Execution Vulnerability

Assigner: zdi
Reserved: 08.01.2026 Published: 23.01.2026 Updated: 24.01.2026

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.

Metrics

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Product Status

Vendor Langflow
Product Langflow
Versions Default: unknown
  • Version 1.3.2 is affected

References

Problem Types

  • CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection') CWE