Roskus Prospero Flow CRM up to 5.5.2 Order/OrderItem REST API /api/order find ID authorization

Summaryinfo

A vulnerability classified as critical has been found in Roskus Prospero Flow CRM up to 5.5.2. The affected element is the function find of the file /api/order of the component Order/OrderItem REST API. Performing a manipulation of the argument ID results in authorization. This vulnerability is cataloged as CVE-2026-59237. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Roskus Prospero Flow CRM up to 5.5.2. This affects the function find of the file /api/order of the component Order/OrderItem REST API. The manipulation of the argument id with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Authorization Bypass Through User-Controlled Key (CWE-639) in the Order and OrderItem REST API controllers in Roskus Prospero Flow CRM before 5.5.3 allows a remote, authenticated user to read, modify, and delete orders and order items belonging to any other company (tenant) via a sequential numeric {id} supplied to GET /api/order/{id}, PUT /api/order/{id}, GET /api/order-item/{id}, PUT /api/order-item/{id}, or DELETE /api/order-item/{id}, because the controllers resolve records with Order::find($id) / Item::find($id) without scoping by the authenticated user's company.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-59237 since 07/03/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.5.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-44932). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Customer Relationship Management System

Vendor

• Roskus

Name

• Prospero Flow CRM

Version

• 5.5.0
• 5.5.1
• 5.5.2

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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