CVE-2026-77780

Published: Ago 21, 2026 Last Modified: Ago 21, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,3
Source: 4daa8cea-433a-44bd-9456-53b127fc289a
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A

Description

AI Translation Available

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.

639

Authorization Bypass Through User-Controlled Key

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control
Potential Impacts:
Bypass Protection Mechanism Gain Privileges Or Assume Identity
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: High
View CWE Details
https://github.com/Roskus/prospero-flow-crm/commit/5fd1fe86…
https://github.com/Roskus/prospero-flow-crm/commit/5fd1fe862bbdcbacf5d7e05c1c12…
https://github.com/Roskus/prospero-flow-crm/pull/261
https://github.com/Roskus/prospero-flow-crm/pull/261
https://secur0.com/en/cna/cve-list/cve-2026-77780-idor-unva…
https://secur0.com/en/cna/cve-list/cve-2026-77780-idor-unvalidated-bank-foreign…