{"id":"CVE-2026-59236","summary":"Authorization bypass in Prospero Flow CRM Excel import allows cross-tenant record injection","details":"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.","modified":"2026-08-12T03:51:39.242674959Z","published":"2026-07-15T11:09:38.866Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59236.json","cna_assigner":"Secur0","cwe_ids":["CWE-639"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59236.json"},{"type":"ADVISORY","url":"https://github.com/Roskus/prospero-flow-crm/releases/tag/v5.14.0"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59236"},{"type":"FIX","url":"https://github.com/Roskus/prospero-flow-crm/commit/bdd6c9770a7435a45f0411154671b8a3e94dcdaa"},{"type":"PACKAGE","url":"https://github.com/Roskus/prospero-flow-crm"},{"type":"ARTICLE","url":"https://secur0.com/en/cna/cve-list/cve-2026-59236-authorization-bypass-in-prospero-flow-crm-excel-import-allows-cross-tenant-record-injection"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/roskus/prospero-flow-crm","events":[{"introduced":"ee6dff95b0f396858c3e86e8988cd0ebed363c5d"},{"fixed":"ab96b114b3ab5c09481f39c1922cbcec151f26ed"}],"database_specific":{"extracted_events":[{"introduced":"1.0.0"},{"fixed":"5.14.0"}],"source":"AFFECTED_FIELD"}}],"versions":["v5.5.3","v4.6.0","v2.0.1","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59236.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N"}]}