MinorCritical vulnerability

CVE-2026-91930 (CVSS 7.7)

NVD · officialPublished Sep 15, 2026Risk 23/100EPSS 0.4%

Flowise before 3.1.4 fails to scope enterprise organization and workspace membership APIs to the caller's tenant, allowing authenticated users to supply arbitrary organization IDs. Attackers can add themselves as organization owners, create workspaces, and gain administrative access to victim organizations by exploiting insufficient tenant isolation in the organizationuser and workspace endpoints.

Technical details

CVSS

7.7

AV:NetworkAC:LowPR:LowUI:None

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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