Improperly Controlled Modification of Dynamically-Determined Object Attributes in Flowise - CVE-2026-41267
Published: May 4, 2026
Vulnerability identifier: #VU129613
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-41267
CWE-ID: CWE-915
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: FlowiseAI
Affected software:
Flowise
Flowise
Detailed vulnerability description
The vulnerability allows a remote attacker to gain unauthorized cross-tenant access and escalate privileges.
The vulnerability exists due to improperly controlled modification of dynamically-determined object attributes in the account registration endpoint when processing registration requests. A remote attacker can send a specially crafted request containing injected server-managed fields and nested objects to gain unauthorized cross-tenant access and escalate privileges.
The issue affects multi-tenant deployments and can allow unauthorized association of a newly created account with an existing organization during registration.
How to mitigate CVE-2026-41267
Install security update from vendor's website.