Vulnerability · Published Aug 14, 2026 · Assigned by Secur0
CVE-2026-19870IDOR in Prospero Flow CRM allows cross-tenant payroll disclosure and creation
High 8.6
In plain English
A high-severity authorization bypass via user-controlled key in Prospero Flow CRM from Roskus. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Official description
Authorization Bypass Through User-Controlled Key in the payroll module in Roskus Prospero Flow CRM before 5.15.10 allows authenticated users holding the read payroll permission to view the salary and banking details of employees of any other company in the instance, and users holding the create payroll permission to create payroll records attributed to another company's employees, because the listing query is not scoped to the caller's company and the employee identifier is validated for global existence rather than company membership
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Roskus | Prospero Flow CRM | 0 – before 5.15.10 |
Weakness: CWE-639 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N