Authorization Bypass Through User-Controlled Key in the supplier API in Roskus Prospero Flow CRM 4.0.0 through 5.3.1 allows any authenticated user to read and modify another company's supplier record, and to reassign it to their own company, via a PUT request to /api/supplier/{id} setting company_id in the body.

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Advisories

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Fixes

Solution

Upgrade to 5.3.2 or later; first tagged release with the fix is v5.5.3. Review the supplier table for altered company_id values and rotate exposed order-portal credentials and bank details.


Workaround

No workaround given by the vendor.

History

Mon, 24 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 24 Aug 2026 13:00:00 +0000

Type Values Removed Values Added
Description Authorization Bypass Through User-Controlled Key in the supplier API in Roskus Prospero Flow CRM 4.0.0 through 5.3.1 allows any authenticated user to read and modify another company's supplier record, and to reassign it to their own company, via a PUT request to /api/supplier/{id} setting company_id in the body.
Title IDOR and missing authorization in Prospero Flow CRM supplier API allows cross-tenant read and modification
First Time appeared Roskus
Roskus prospero Flow Crm
Weaknesses CWE-639
CWE-862
CPEs cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*
Vendors & Products Roskus
Roskus prospero Flow Crm
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Secur0

Published:

Updated: 2026-08-24T13:01:26.201Z

Reserved: 2026-08-24T11:49:04.308Z

Link: CVE-2026-78365

cve-icon Vulnrichment

Updated: 2026-08-24T12:59:40.821Z

cve-icon NVD

Status : Received

Published: 2026-08-24T13:19:19.247

Modified: 2026-08-24T14:17:04.637

Link: CVE-2026-78365

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses