Authorization Bypass Vulnerability in Roskus Prospero Flow CRM
CVE-2026-19433

8.6HIGH

Key Information:

Vendor

Roskus

Vendor
CVE Published:
10 August 2026

What is CVE-2026-19433?

An authorization bypass vulnerability exists in the contact management component of Roskus Prospero Flow CRM versions prior to 5.4.8. This flaw allows authenticated users from one company to manipulate and overwrite contact data belonging to another company. The vulnerability arises from insufficient query constraints during save and export operations, enabling the unauthorized retrieval and export of personal data as a vCard using the numeric identifier of the contact. This issue can lead to significant data privacy risks.

Affected Version(s)

Prospero Flow CRM 0 < 5.4.8

References

CVSS V4

Score:
8.6
Severity:
HIGH
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

DarĂ­o Rivas Quero
Alejandro Gutiérrez López
Cristian Fernández Cornejo
Xoán M. Otero Jorge
Secur0 CNA
Gustavo Novaro
.