CVE-2026-6596: langflow-ai langflow API Endpoint endpoints.py create_upload_file unrestricted upload
A security flaw has been discovered in langflow-ai langflow up to 1.1.0. This issue affects the function createuploadfile of the file src/backend/base/Langflow/api/v1/endpoints.py of the component API Endpoint. The manipulation results in unrestricted upload. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-6596?
CVE-2026-6596 is classified as a moderate severity vulnerability due to its potential impact on file upload security.
How do I fix CVE-2026-6596?
To fix CVE-2026-6596, upgrade langflow-ai to version 1.1.1 or later to ensure secure file upload functionality.
What is the nature of the vulnerability in CVE-2026-6596?
CVE-2026-6596 allows unrestricted file uploads through the create_upload_file function, posing risks for arbitrary file uploads.
Which versions of langflow-ai are affected by CVE-2026-6596?
CVE-2026-6596 affects langflow-ai versions up to and including 1.1.0.
Where can I find more information about CVE-2026-6596?
Detailed information about CVE-2026-6596 can be obtained from vulnerability databases and security advisories.