CVE-2026-77780 Unvalidated bank account and card foreign keys in the Prospero Flow CRM transaction save endpoint allow cross-tenant disclosure of banking identifiers

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...

CVE-2026-77780

Roskus Prospero Flow CRM versions 4.9.1 through 5.14.0 contain an authorization bypass (IDOR) in the POST /transaction/save endpoint. A user with transaction and accounting creation permissions can supply a bank_account_id or bank_card_id belonging to another company, and the value is persisted a...