ZDI-26-034: (0Day) Langflow code Code 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 handling of the code parameter provided to the validate endpoint. 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 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-2026-0768.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-26-034?
The severity of ZDI-26-034 is rated at 9.8 on the CVSS scale, indicating a critical security risk.
How do I fix ZDI-26-034?
To fix ZDI-26-034, update your Langflow installation to the latest version that includes the security patch.
What type of vulnerability is ZDI-26-034?
ZDI-26-034 is a code injection vulnerability that allows for remote code execution.
Is authentication required to exploit ZDI-26-034?
No, authentication is not required to exploit the ZDI-26-034 vulnerability.
What impact does ZDI-26-034 have on affected systems?
ZDI-26-034 allows remote attackers to execute arbitrary code on affected installations of Langflow, potentially compromising the system.