CVE-2026-6596
HIGHlangflow-ai langflow API Endpoint endpoints.py create_upload_file unrestricted upload
Title source: cnaDescription
A security flaw has been discovered in langflow-ai langflow up to 1.1.0. This issue affects the function create_upload_file 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.
Scores
CVSS v3
7.3
EPSS
0.0004
EPSS Percentile
11.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Details
CWE
CWE-284
CWE-434
Status
published
Products (2)
langflow-ai/langflow
1.0
langflow-ai/langflow
1.1.0
Published
Apr 20, 2026
Tracked Since
Apr 20, 2026