Medium 6.0Published Sep 12, 2026

CVE-2026-90533Flowise before 3.1.4 Broken Access Control via organizationuser

Updated under an hour ago (2026-10-19 10:20 UTC)

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It affects FlowiseAI Flowise. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for FlowiseAI Flowise

Exploited in the last 30 days

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.

CVSS: 6.0 MEDIUM (v4.0, CNA)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
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Analyzed
Record last updated: Sep 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

FlowiseAI Flowise flowiseai:flowise (from the name)	before 3.1.4; 3.1.4 not affected	CNA record
flowiseai flowise flowiseai:flowise	before 3.1.4	NVD

References

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-fhxm-xxcx-g6x3vendor-advisory, exploit
https://www.vulncheck.com/advisories/flowise-before-3.1.4-broken-access-control-via-organizationuserthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.