Description

A vulnerability was detected in langflow-ai langflow up to 1.8.3. The impacted element is the function get_client_ip/install_mcp_config of the file src/backend/base/langflow/api/v1/mcp_projects.py of the component Model Context Protocol Configuration API. Performing a manipulation of the argument X-Forwarded-For results in injection. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

INFO

Published Date :

2026-04-20T03:00:15.645Z

Last Modified :

2026-04-20T14:24:36.870Z

Source :

VulDB
AFFECTED PRODUCTS

The following products are affected by CVE-2026-6599 vulnerability.

Vendors Products
Langflow
  • Langflow
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-6599.

CVSS Vulnerability Scoring System

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Privileges Required
User Interaction
VS Confidentiality
VS Integrity
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SS Confidentiality
SS Integrity
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Detailed values of each vector for above chart.
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact