CVE-2026-59233
Missing Authorization in Prospero Flow CRM permission save endpoint allows privilege escalation
- State
- Published
- Severity
- 8.7 High
- Published
- Aug 10, 2026
- Updated
- Aug 10, 2026
- Reserved
- Jul 3, 2026
Description
Missing Authorization in the permission management component in Roskus Prospero Flow CRM before 5.2.1 allows any authenticated user to grant any role, including their own, the complete set of application permissions via a crafted POST request to the permission save endpoint, which performs no authorization check before synchronizing the submitted permissions to the specified role.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | Secur0 |
Weaknesses
- CWE-639 Authorization bypass through User-Controlled key
Affected Products
| Product | Versions |
|---|---|
Prospero Flow CRMRoskus |
|
References
- https://github.com/Roskus/prospero-flow-crm/commit/86a7d6557bd111518a221f4575ad6e36087e19d3patch
- https://github.com/Roskus/prospero-flow-crm/releases/tag/v5.5.3release-notes
- https://secur0.com/en/cna/cve-list/cve-2026-59233-missing-authorization-in-prospero-flow-crm-permission-endpointtechnical-description
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.