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… (CVE-2026-78365)
An authorization bypass vulnerability exists in the supplier API of Roskus Prospero Flow CRM versions 4.0.0 through 5.3.1. This flaw allows any authenticated user to read and modify supplier records belonging to other companies and to reassign those records to their own company by manipulating the company_id field in a PUT request to /api/supplier/{id}.
AI Analysis
Technical Summary
CVE-2026-78365 is an authorization bypass vulnerability in Roskus Prospero Flow CRM affecting versions 4.0.0 through 5.3.1. The issue arises because the supplier API does not properly enforce authorization checks on the company_id field in the PUT request to /api/supplier/{id}. As a result, any authenticated user can access and modify supplier records of other companies and reassign them to their own company. This vulnerability is classified under CWE-639 (Authorization Bypass Through User-Controlled Key).
Potential Impact
An attacker with valid authentication credentials can read and modify supplier records belonging to other companies and reassign those records to their own company. This could lead to unauthorized data disclosure, data tampering, and potential business process disruption. The vulnerability is rated critical due to the high impact on confidentiality and integrity of supplier data.
Mitigation Recommendations
No patch or official fix is currently available for this vulnerability. Users should monitor the vendor's advisory for updates and apply any forthcoming patches promptly. Until a fix is released, restrict access to the supplier API to trusted users only and consider implementing additional access controls or monitoring to detect unauthorized modifications.
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… (CVE-2026-78365)
Description
An authorization bypass vulnerability exists in the supplier API of Roskus Prospero Flow CRM versions 4.0.0 through 5.3.1. This flaw allows any authenticated user to read and modify supplier records belonging to other companies and to reassign those records to their own company by manipulating the company_id field in a PUT request to /api/supplier/{id}.
CVSS v4.0
Affected software
pkg:github/roskus/prospero-flow-crmRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78365 is an authorization bypass vulnerability in Roskus Prospero Flow CRM affecting versions 4.0.0 through 5.3.1. The issue arises because the supplier API does not properly enforce authorization checks on the company_id field in the PUT request to /api/supplier/{id}. As a result, any authenticated user can access and modify supplier records of other companies and reassign them to their own company. This vulnerability is classified under CWE-639 (Authorization Bypass Through User-Controlled Key).
Potential Impact
An attacker with valid authentication credentials can read and modify supplier records belonging to other companies and reassign those records to their own company. This could lead to unauthorized data disclosure, data tampering, and potential business process disruption. The vulnerability is rated critical due to the high impact on confidentiality and integrity of supplier data.
Mitigation Recommendations
No patch or official fix is currently available for this vulnerability. Users should monitor the vendor's advisory for updates and apply any forthcoming patches promptly. Until a fix is released, restrict access to the supplier API to trusted users only and consider implementing additional access controls or monitoring to detect unauthorized modifications.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-4hh4-jwxc-xpmf
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-78365"]
- Ecosystems
- []
- Database Specific Severity
- CRITICAL
- Cvss Version
- 4.0
Threat ID: 6a8c740cacd9273b49d5cf31
Added to database: 08/24/2026, 16:40:44 UTC
Last enriched: 08/24/2026, 16:52:19 UTC
Last updated: 08/24/2026, 18:51:59 UTC
Views: 7
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