Authorization Bypass in Roskus Prospero Flow CRM Affects Multiple Versions
CVE-2026-78365

9.3CRITICAL

Key Information:

Vendor

Roskus

Vendor
CVE Published:
24 August 2026

What is CVE-2026-78365?

The Roskus Prospero Flow CRM has a security vulnerability that allows authenticated users to bypass authorization controls through user-controlled keys in the supplier API. This flaw enables users to read, modify, and reassign supplier records belonging to other companies by sending a PUT request to the endpoint /api/supplier/{id} with an altered company_id. This manipulation poses significant risks for data privacy and integrity, making it crucial for users to adopt robust security measures to prevent exploitation.

Affected Version(s)

Prospero Flow CRM 4.0.0 < 5.3.2

References

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Antonio Rivera Poblete
Xoán M. Otero Jorge
Cristian Fernández Cornejo
Secur0 CNA
Gustavo Novaro
.