CVE-2026-0769 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Langflow	Langflow	1.3.2

Related Weaknesses (CWE)

CWE-95

References

https://www.zerodayinitiative.com/advisories/ZDI-26-035/Third Party Advisory

FAQ

What is CVE-2026-0769?

CVE-2026-0769 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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. Auth...

How severe is CVE-2026-0769?

CVE-2026-0769 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-0769?

Check the references section above for vendor advisories and patch information. Affected products include: Langflow Langflow.