Missing Authorization in Flowise - CVE-2026-70473
Published: July 30, 2026
Vulnerability identifier: #VU140079
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-70473
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to missing authorization in GET /api/v1/upsert-history when handling requests for upsert history data. A remote user can send a request to the endpoint to disclose sensitive information.
The response may include server-wide upsert history and sensitive configuration details such as vector store endpoint URLs, collection names, and schema-related parameters.
Affected software
Flowise
How to mitigate CVE-2026-70473
Install security update from vendor's website.
Flowise - update to 3.1.3