CVE-2026-78365

Critical

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.

SeverityCritical
CVSS9.3
Exploit probability—
ProductProspero Flow CRM
PublishedAug 24, 2026
First seenAug 24, 2026

How to fix

Affected products

ProductAffected versionsFixed in
Roskus Prospero Flow CRM4.0.0 ≤ v < 5.3.25.3.2

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.