Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-90533 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-fhxm-xxcx-g6x3 CISA-ADPExploitVendor Advisory
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-fhxm-xxcx-g6x3 [email protected]ExploitVendor Advisory
https://www.vulncheck.com/advisories/flowise-before-3.1.4-broken-access-control-via-organizationuser [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-862Missing Authorization[email protected]

Affected Products

ProductVersions
flowiseai flowise
< 3.1.4

CPE

  • cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-90533
NVD Published Date:
Sep 12, 2026
NVD Last Modified:
Sep 15, 2026
Source:
[email protected]
CVE-2026-90533 Details - Not Deferred