Roskus Prospero Flow CRM up to 5.14.1 Transaction Save Endpoint /transaction/save bank_account_id/bank_card_id authorization

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Roskus Prospero Flow CRM up to 5.14.1. Affected by this vulnerability is an unknown functionality of the file /transaction/save of the component Transaction Save Endpoint. Executing a manipulation of the argument bank_account_id/bank_card_id can lead to authorization. This vulnerability appears as CVE-2026-77780. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Roskus Prospero Flow CRM up to 5.14.1. It has been declared as problematic. This vulnerability affects an unknown functionality of the file /transaction/save of the component Transaction Save Endpoint. The manipulation of the argument bank_account_id/bank_card_id with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect confidentiality. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-77780 since 08/21/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available.

Upgrading to version 5.14.2 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Prospero Flow CRM 5.14.2

Timelineinfo

08/21/2026 Advisory disclosed
08/21/2026 +0 days CVE reserved
08/21/2026 +0 days VulDB entry created
08/21/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-77780 (🔒)
GCVE (CVE): GCVE-0-2026-77780
GCVE (VulDB): GCVE-100-394108

Entryinfo

Created: 08/21/2026 14:38
Changes: 08/21/2026 14:38 (70)
Complete: 🔍
Cache ID: 216::103

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