CVE-2026-19870 IDOR in Prospero Flow CRM allows cross-tenant payroll disclosure and creation
Authenticated users can view or create payroll records for other companies due to missing tenant scoping in the CRM.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19870?
CVE-2026-19870 is a high-severity missing authorization vulnerability in Roskus Prospero Flow CRM, published on 14 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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
Weakness: CWE-639
Which versions are affected by CVE-2026-19870?
How do I fix CVE-2026-19870?
No fix has been published for CVE-2026-19870 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-19870 being exploited?
There is no known exploitation of CVE-2026-19870 in the wild and no public exploit code.
Sources
Also known as GHSA-fjcx-q8g6-9m7g.