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CVE-2026-90533

medium

Flowise before 3.1.4 contains a broken access control vulnerability in GET /api/v1/organizationuser that allows any authenticated organization member to retrie…

Vendor / product: Flowiseai — flowise

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
6.5
6.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-09-12 13:16
Modified: 2026-09-15 18:23
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 06:52 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

flowiseai / flowise <3.1.4

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Vendor advisory: https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-fhxm-xxcx-g6x3
Vendor advisory: https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-fhxm-xxcx-g6x3

References

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 06:52 UTC · record ↗

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