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CVE-2026-19734: CWE-639 Authorization bypass through User-Controlled key in Roskus Prospero Flow CRM

0
High
VulnerabilityCVE-2026-19734cvecve-2026-19734cwe-639
Published: 08/13/2026 (08/13/2026, 14:04:55 UTC)
Source: CVE Database V5
Vendor/Project: Roskus
Product: Prospero Flow CRM

Description

Missing Authorization and Authorization Bypass Through User-Controlled Key in the product management component in Roskus Prospero Flow CRM before 5.4.7 allows authenticated users of any company to read the full sensitive data (price, cost, stock, SKU, and barcode) of another company's product and to hijack that product by reassigning its company_id, via the product's numeric identifier, because `ProductUpdateController` did not extend `MainController` and therefore required no authentication check on the read endpoint, and `ProductRepository::save()` retrieved the record via `Product::find($data['id'])` without constraining the query to the authenticated user's company before overwriting its company_id.

CVSS v4.0

Score 8.6high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
None
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Affected software

GitHub Actionsmore threats →cve
Prospero Flow CRM
pkg:github/Prospero Flow CRM
Affected versions
<5.4.7

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Data Version
5.2
Assigner Short Name
Secur0
Date Reserved
2026-08-13T13:43:04.715Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a7dd426bf8831d539506e16

Added to database: 08/13/2026, 14:26:46 UTC

Last updated: 08/13/2026, 14:26:46 UTC

Views: 1

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