EUVD-2026-57924
GHSA-xrvm-rxhf-gwgp
Severity by source
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-accessible IDOR requiring only a valid session (PR:L); low complexity via sequential ID enumeration; high confidentiality and integrity impact; no availability impact; scope unchanged as attack stays within the same application component.
Primary rating from Vendor (Secur0).
CVSS VectorVendor: Secur0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionCVE.org
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($data['id']) without constraining the query to the authenticated user's company before overwriting its company_id.
AnalysisAI
Cross-tenant IDOR in Roskus Prospero Flow CRM before 5.4.7 allows any authenticated user to read sensitive product records belonging to other tenant companies and reassign those products into their own account. Two compounding root causes drive the impact: ProductUpdateController lacked the MainController inheritance that enforces session-based authorization, leaving the product read endpoint unguarded, while ProductRepository::save() performed a bare Product::find($data['id']) lookup with no company_id scope constraint, enabling cross-tenant record hijacking. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires only a valid authenticated session for any user account in any tenant of the Prospero Flow CRM instance - no administrative role, elevated permission, or special configuration is needed. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N) is internally consistent with the description: network-reachable, low complexity, authenticated (PR:L), and yielding high confidentiality and integrity impact with no availability consequence. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to Prospero Flow CRM 5.4.7 or later; the vendor-confirmed patch is available at https://github.com/Roskus/prospero-flow-crm/releases/tag/v5.5.3. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Roskus Prospero Flow CRM deployments and current version numbers, then notify leadership of the cross-tenant vulnerability and patch availability. …
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