Missing Authorization in Flowise - CVE-2026-46444

 

Missing Authorization in Flowise - CVE-2026-46444

Published: May 18, 2026


Vulnerability identifier: #VU131699
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-46444
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to access, modify, delete, and upload files to vector stores.

The vulnerability exists due to improper access control in the OpenAI Assistants Vector Store CRUD endpoints when handling API requests to /api/v1/openai-assistants-vector-store. A remote user can send crafted requests to access, modify, delete, and upload files to vector stores.

The affected routes lack checkAnyPermission() middleware on create, update, delete, and file upload operations.


Affected software

Flowise

How to mitigate CVE-2026-46444

Install security update from vendor's website.

Flowise - update to 3.1.2

External References

Related Security Bulletins