CVE-2026-90533
Flowise before 3.1.4 Broken Access Control via organizationuser
- State
- Published
- Severity
- 6.0 Medium
- Published
- Sep 12, 2026
- Updated
- Sep 14, 2026
- Reserved
- Sep 12, 2026
Description
Flowise before 3.1.4 contains a broken access control vulnerability in GET /api/v1/organizationuser that allows any authenticated organization member to retrieve the organization owner's full user record including bcrypt password hash and temporary tokens. Attackers can query the endpoint with any user ID to obtain the owner's credential hash for offline cracking, enabling account takeover of the highest-privileged account.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.0 Medium | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
FlowiseFlowiseAI |
|
References
- GitHub Security Advisory (GHSA-fhxm-xxcx-g6x3)vendor-advisory
- VulnCheck Advisory: Flowise before 3.1.4 Broken Access Control via organizationuserthird-party-advisory
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