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CVE-2026-90533

Flowise before 3.1.4 Broken Access Control via organizationuser

CVSS 4.0 6.0 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-90533

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

Exploitation and risk

Source status

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cve-program · CVE-2026-90533

Published

Flowise before 3.1.4 Broken Access Control via organizationuser

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.

Source published
12 Sep 2026 12:08:42 UTC
Source modified
14 Sep 2026 18:29:22 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 4.0 · 6.0 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

ChangeIntel

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Sources read 13 Nov 15:18 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current

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