---
id: CVE-2026-78365
title: >-
  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
  comp…
summary: >-
  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
  comp…
severity: none
cwe:
  - CWE-639
  - CWE-862
published: '2026-08-24'
updated: '2026-10-12'
sourceUpdated: '2026-10-12T15:10:00.207'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-78365'
references:
  - url: >-
      https://github.com/Roskus/prospero-flow-crm/commit/4a52477e6ed66afa436814c80e7bcd68670dd596
    label: 4daa8cea-433a-44bd-9456-53b127fc289a
  - url: 'https://github.com/Roskus/prospero-flow-crm/releases/tag/v5.5.3'
    label: 4daa8cea-433a-44bd-9456-53b127fc289a
  - url: >-
      https://secur0.com/en/cna/cve-list/cve-2026-78365-idor-supplier-api-cross-tenant-update
    label: 4daa8cea-433a-44bd-9456-53b127fc289a
tags:
  - nvd
epss: 0.00509
epssPercentile: 0.41747
ingestedAt: '2026-10-12T15:55:08.115Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.