FlowiseAI Flowise User Controller authorization
Summary
| CVE | CVE-2026-8027 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-06 15:16:13 UTC |
| Updated | 2026-05-07 14:50:57 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 5.3 MEDIUM from [email protected]
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS: 0.000260000 probability, percentile 0.074460000 (date 2026-05-12)
Problem Types: CWE-285 | CWE-639 | CWE-639 Authorization Bypass | CWE-285 Improper Authorization
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 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/C... |
| 4.0 | CNA | DECLARED | 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 |
| 3.1 | [email protected] | Secondary | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| 3.1 | CNA | DECLARED | 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 |
| 3.0 | CNA | DECLARED | 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 |
| 2.0 | [email protected] | Secondary | 4 | AV:N/AC:L/Au:S/C:P/I:N/A:N | |
| 2.0 | CNA | DECLARED | 4 | AV:N/AC:L/Au:S/C:P/I:N/A:N/E:ND/RL:OF/RC:C |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
LowUser Interaction
NoneConfidentiality
LowIntegrity
NoneAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | FlowiseAI | Flowise | affected 3.0.0 | Not specified |
| CNA | FlowiseAI | Flowise | affected 3.0.1 | Not specified |
| CNA | FlowiseAI | Flowise | affected 3.0.2 | Not specified |
| CNA | FlowiseAI | Flowise | affected 3.0.3 | Not specified |
| CNA | FlowiseAI | Flowise | affected 3.0.4 | Not specified |
| CNA | FlowiseAI | Flowise | affected 3.0.5 | Not specified |
| CNA | FlowiseAI | Flowise | affected 3.0.6 | Not specified |
| CNA | FlowiseAI | Flowise | affected 3.0.7 | Not specified |
| CNA | FlowiseAI | Flowise | affected 3.0.8 | Not specified |
| CNA | FlowiseAI | Flowise | affected 3.0.9 | Not specified |
| CNA | FlowiseAI | Flowise | affected 3.0.10 | Not specified |
| CNA | FlowiseAI | Flowise | affected 3.0.11 | Not specified |
| CNA | FlowiseAI | Flowise | affected 3.0.12 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| gist.github.com/YLChen-007/3584e6ffa0bba6367328ecf0b46b0e4b | [email protected] | gist.github.com | Exploit, Third Party Advisory |
| vuldb.com/vuln/361274/cti | [email protected] | vuldb.com | Permissions Required, VDB Entry |
| vuldb.com/vuln/361274 | [email protected] | vuldb.com | Third Party Advisory, VDB Entry |
| vuldb.com/submit/777657 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | vuldb.com | Third Party Advisory, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Eric-a (VulDB User) (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-05-06T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-05-06T02:00:00.000Z | VulDB entry created |
| CNA | 2026-05-06T09:45:42.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.