CVE-2026-6599

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.

References

https://vuldb.com/vuln/358234/cti

https://vuldb.com/vuln/358234

https://vuldb.com/submit/791922

https://gist.github.com/chenhouser2025/a909c47316b7a0948ee68c109ab747a3

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4