CVE-2026-19433: CWE-639 Authorization bypass through User-Controlled key in Roskus Prospero Flow CRM
Authorization Bypass Through User-Controlled Key in the contact management component in Roskus Prospero Flow CRM before 5.4.8 allows authenticated users of any company to blindly overwrite the contact data of another company and to download that contact's personal data as a vCard via the contact's numeric identifier, because the save and export operations retrieve the record without constraining the query to the authenticated user's company.
AI Analysis
Technical Summary
This vulnerability (CWE-639) in the contact management component of Roskus Prospero Flow CRM before version 5.4.8 enables authenticated users to bypass authorization controls. The flaw arises because the system retrieves contact records by numeric identifier without constraining queries to the user's company, allowing users to overwrite or export contact data belonging to other companies. The issue affects save and export operations, leading to unauthorized data modification and disclosure.
Potential Impact
Exploitation of this vulnerability can result in unauthorized modification of contact data across company boundaries and unauthorized disclosure of personal contact information via vCard export. The impact is high due to the potential for data integrity compromise and privacy violations. There are no known exploits in the wild as of the published date.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the affected component to trusted users only and monitor for suspicious activity related to contact data modification and export.
CVE-2026-19433: CWE-639 Authorization bypass through User-Controlled key in Roskus Prospero Flow CRM
Description
Authorization Bypass Through User-Controlled Key in the contact management component in Roskus Prospero Flow CRM before 5.4.8 allows authenticated users of any company to blindly overwrite the contact data of another company and to download that contact's personal data as a vCard via the contact's numeric identifier, because the save and export operations retrieve the record without constraining the query to the authenticated user's company.
CVSS v4.0
Score 8.6high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-639) in the contact management component of Roskus Prospero Flow CRM before version 5.4.8 enables authenticated users to bypass authorization controls. The flaw arises because the system retrieves contact records by numeric identifier without constraining queries to the user's company, allowing users to overwrite or export contact data belonging to other companies. The issue affects save and export operations, leading to unauthorized data modification and disclosure.
Potential Impact
Exploitation of this vulnerability can result in unauthorized modification of contact data across company boundaries and unauthorized disclosure of personal contact information via vCard export. The impact is high due to the potential for data integrity compromise and privacy violations. There are no known exploits in the wild as of the published date.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the affected component to trusted users only and monitor for suspicious activity related to contact data modification and export.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Secur0
- Date Reserved
- 2026-08-10T12:41:19.273Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a79e343bf8831d539db14fe
Added to database: 08/10/2026, 14:42:11 UTC
Last enriched: 08/10/2026, 14:56:19 UTC
Last updated: 08/10/2026, 18:12:20 UTC
Views: 4
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