Remote Code Execution Vulnerability in Langflow by Langflow
CVE-2026-0769

9.8CRITICAL

Key Information:

Vendor

Langflow

Status
Langflow
Vendor
CVE Published:
23 January 2026

What is CVE-2026-0769?

The eval_custom_component_code function in Langflow is vulnerable to an eval injection, allowing unauthenticated remote attackers to execute arbitrary code. By exploiting this flaw, which stems from inadequate validation of user-supplied strings, an attacker can run Python code in the context of the current process. This security issue poses significant risks to the integrity of applications utilizing Langflow.

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Affected Version(s)

Langflow 1.3.2

References

https://www.zerodayinitiative.com/advisories/ZDI-26-035/
x_research-advisory

CVSS V3.0

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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