CVE-2026-8027

FlowiseAI Flowise User Controller authorization

Assigner: VulDB
Reserved: 06.05.2026 Published: 06.05.2026 Updated: 06.05.2026

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.

Metrics

CVSS Vector: 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
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: 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
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

CVSS Vector: 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
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.0

CVSS Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N/E:ND/RL:OF/RC:C
CVSS Score: 4

Access Vector	Network	Confidentiality Impact	Partial
Access Complexity	Low	Integrity Impact	None
Authentication	Single	Availability Impact	None

CVSS 2.0

Product Status

Vendor	FlowiseAI
Product	Flowise
Versions	Version 3.0.0 is affected Version 3.0.1 is affected Version 3.0.2 is affected Version 3.0.3 is affected Version 3.0.4 is affected Version 3.0.5 is affected Version 3.0.6 is affected Version 3.0.7 is affected Version 3.0.8 is affected Version 3.0.9 is affected Version 3.0.10 is affected Version 3.0.11 is affected Version 3.0.12 is affected

Vendor

FlowiseAI

Product

Flowise

Versions

Version 3.0.0 is affected
Version 3.0.1 is affected
Version 3.0.2 is affected
Version 3.0.3 is affected
Version 3.0.4 is affected
Version 3.0.5 is affected
Version 3.0.6 is affected
Version 3.0.7 is affected
Version 3.0.8 is affected
Version 3.0.9 is affected
Version 3.0.10 is affected
Version 3.0.11 is affected
Version 3.0.12 is affected

Credits

Eric-a (VulDB User) reporter

References

Problem Types