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CVE-2026-0769

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Date: January 22, 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.

Severity Score

Related Resources (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-0769
https://www.zerodayinitiative.com/advisories/ZDI-26-035/
https://www.mend.io/vulnerability-database/CVE-2026-0769

Severity Score

Weakness Type (CWE)

Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

CWE-95

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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