high8.7
CVE-2026-77759
Authorization Bypass Through User-Controlled Key in the transaction API in Roskus Prospero Flow CRM 5.0.0 through 5.3.5 allows an authenticated user to read th…
Impact
Authorization Bypass Through User-Controlled Key in the transaction API in Roskus Prospero Flow CRM 5.0.0 through 5.3.5 allows an authenticated user to read the transactions of other companies on the same instance via an incremented identifier in GET /api/transaction/{id}, which is resolved without company scoping and without any permission check.
Affected products
| Product | Affected versions |
|---|---|
| Roskus Prospero Flow CRM 5.0.0 | through 5.3.5 |
Versions were read from the advisory text. No structured product data has been published for this record yet.