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.
History

Fri, 21 Aug 2026 12:30:00 +0000

Type Values Removed Values Added
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.
Title Unvalidated bank account and card foreign keys in the Prospero Flow CRM transaction save endpoint allow cross-tenant disclosure of banking identifiers
First Time appeared Roskus
Roskus prospero Flow Crm
Weaknesses CWE-639
CPEs cpe:2.3:a:roskus:prospero_flow_crm:*:*:*:*:*:*:*:*
Vendors & Products Roskus
Roskus prospero Flow Crm
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Secur0

Published:

Updated: 2026-08-21T16:12:40.967Z

Reserved: 2026-08-21T11:30:36.990Z

Link: CVE-2026-77780

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-21T13:18:20.423

Modified: 2026-08-21T16:18:23.523

Link: CVE-2026-77780

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T13:45:15Z