CVE-2026-59236 – Authorization bypass in Prospero Flow CRM Excel import allows cross-tenant record injection

CVE ID :CVE-2026-59236

Published : July 15, 2026, 11:09 a.m. | 23 minutes ago

Description :Authorization Bypass Through User-Controlled Key (CWE-639) in the Excel import handlers (CustomerImport, LeadImport, ProductImport) in Roskus Prospero Flow CRM before 5.14.0 allows a remote, authenticated user of any role or company to create customer, lead, and product records inside another company’s tenant via a spreadsheet whose company_id column points to the victim tenant, uploaded to POST /customer/import/excel/save, which maps company_id directly from the file and performs no check that it matches the authenticated user’s company.

Severity: 6.9 | MEDIUM

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