Vulnerability 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.
Related Weaknesses (CWE)
References
- https://github.com/Roskus/prospero-flow-crm/commit/5fd1fe862bbdcbacf5d7e05c1c123
- https://github.com/Roskus/prospero-flow-crm/pull/261
- https://secur0.com/en/cna/cve-list/cve-2026-77780-idor-unvalidated-bank-foreign-
FAQ
What is CVE-2026-77780?
CVE-2026-77780 is a documented vulnerability. 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...
How severe is CVE-2026-77780?
CVSS scoring is not yet available for CVE-2026-77780. Check NVD for updates.
Is there a patch for CVE-2026-77780?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.