Improperly Controlled Modification of Dynamically-Determined Object Attributes in Flowise - CVE-2026-41277
Published: April 20, 2026
Vulnerability identifier: #VU126599
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:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-41277
CWE-ID: CWE-915
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to modify or reassign DocumentStore objects across workspaces.
The vulnerability exists due to improperly controlled modification of dynamically-determined object attributes in the DocumentStore create endpoint when handling crafted POST requests with client-supplied primary keys and internal state fields. A remote user can send a specially crafted request to modify or reassign DocumentStore objects across workspaces.
Exploitation requires obtaining or enumerating a valid DocumentStore UUID and is relevant in multi-workspace or multi-tenant deployments.
Affected software
Flowise
How to mitigate CVE-2026-41277
Install security update from vendor's website.
Flowise - update to 3.1.0