CVE-2026-8027

FlowiseAI Flowise User Controller authorization

State: Published
Severity: 5.3 Medium
Published: May 6, 2026
Updated: May 6, 2026
Reserved: May 6, 2026

Description

A weakness has been identified in FlowiseAI Flowise up to 3.0.12. Affected by this vulnerability is an unknown functionality of the component User Controller Handler. This manipulation of the argument userId/organizationId/workspaceId/email causes authorization bypass. The attack may be initiated remotely. The affected component should be upgraded.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X	VulDB
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C	VulDB
3.0	4.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C	VulDB
2.0	4.0 Medium	AV:N/AC:L/Au:S/C:P/I:N/A:N/E:ND/RL:OF/RC:C	VulDB

Weaknesses

CWE-639 Authorization Bypass
CWE-285 Improper Authorization

Affected Products

Product	Versions
FlowiseFlowiseAI	3.0.0Affected 3.0.1Affected 3.0.2Affected 3.0.3Affected 3.0.4Affected 3.0.5Affected 3.0.6Affected 3.0.7Affected 3.0.8Affected 3.0.9Affected 3.0.10Affected 3.0.11Affected 3.0.12Affected

References

VDB-361274 | FlowiseAI Flowise User Controller authorizationvdb-entrytechnical-description
VDB-361274 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #777657 | FlowiseAI Flowise <= 3.0.12 Authorization Bypass Through User-Controlled Key (CWE-639)third-party-advisory
https://gist.github.com/YLChen-007/3584e6ffa0bba6367328ecf0b46b0e4brelated

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.