CVE-2026-59233

HIGH CVSS 4.0: 8.7 EPSS 0.24%
Updated Aug 10, 2026
Roskus
Parameter Value
CVSS 8.7 (HIGH)
Affected Versions 0 — 5.2.1
Fixed In 5.2.1
Type CWE-639 (Authorization Bypass)
Vendor Roskus
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Roskus Prospero_Flow_Crm
cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*
0 5.2.1