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.
History

Tue, 15 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}


Mon, 14 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 12 Sep 2026 12:30:00 +0000

Type Values Removed Values Added
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.
Title Flowise before 3.1.4 Broken Access Control via organizationuser
First Time appeared Flowiseai
Flowiseai flowise
Weaknesses CWE-862
CPEs cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*
Vendors & Products Flowiseai
Flowiseai flowise
References
Metrics cvssV4_0

{'score': 6, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-09-12T12:08:42.638Z

Updated: 2026-09-14T18:29:22.757Z

Reserved: 2026-09-12T11:12:50.791Z

Link: CVE-2026-90533

cve-icon Vulnrichment

Updated: 2026-09-14T18:29:17.879Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-12T13:16:51.100

Modified: 2026-09-15T18:23:42.930

Link: CVE-2026-90533

cve-icon Redhat

No data.