CVE-2026-77780
Medium
Description
Authorization Bypass Through User-Controlled Key in the transaction save endpoint in Roskus Prospero Flow CRM 4.9.1 through 5.14.0 allows a user with transaction and accounting creation permissions to disclose another company's bank account name, bank name and card last four digits via a bank_account_id or bank_card_id belonging to that company in POST /transaction/save, which is persisted and rendered without any company ownership check.
SeverityMedium
CVSS5.3
Exploit probability—
ProductProspero Flow CRM
PublishedAug 21, 2026
First seenAug 21, 2026
How to fix
Update
- Roskus Prospero Flow CRM5.14.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Roskus Prospero Flow CRM | 4.9.1 ≤ v < 5.14.2 | 5.14.2 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.