CVE-2026-71537

Paymenter is a free and open-source webshop solution for management of hosting services. Prior to 1.5.7, app/Livewire/Services/Upgrade.php::doUpgrade relies on Service::upgradable to check for a pending service upgrade and later executes $credit-increment'amount', abs$price without DB::transactio...

Paymenter has a credit-refund double-spend race condition in service downgrade (doUpgrade)

Summary The service downgrade implementation in app/Livewire/Services/Upgrade.php::doUpgrade executes a proration calculation and a subsequent user credit refund without any transactional safety or database locks. The only concurrency check relies on an unisolated database query checking for...

Race Condition

Overview Affected versions of this package are vulnerable to Race Condition via the doUpgrade process. An attacker can inflate their credit balance by sending multiple concurrent downgrade requests, resulting in multiple refunds for a single legitimate downgrade. Remediation Upgrade...

GHSA-5GMM-HJFJ-8FF7 Paymenter has a credit-refund double-spend race condition in service downgrade (doUpgrade)

Summary The service downgrade implementation in app/Livewire/Services/Upgrade.php::doUpgrade executes a proration calculation and a subsequent user credit refund without any transactional safety or database locks. The only concurrency check relies on an unisolated database query checking for...

CVE-2026-71537 Paymenter: Credit-refund double-spend race condition in service downgrade (doUpgrade)

Paymenter is a free and open-source webshop solution for management of hosting services. Prior to 1.5.7, app/Livewire/Services/Upgrade.php::doUpgrade relies on Service::upgradable to check for a pending service upgrade and later executes $credit-increment'amount', abs$price without DB::transactio...

CVE-2026-71537

Paymenter , an open-source webshop solution for hosting services, is affected by a credit-refund double-spend race condition in the service downgrade flow. In app/Livewire/Services/Upgrade.php::doUpgrade(), the method checks Service::upgradable and later executes $credit->increment('amount', a...

EUVD-2026-83247

Paymenter is a free and open-source webshop solution for management of hosting services. Prior to 1.5.7, app/Livewire/Services/Upgrade.php::doUpgrade relies on Service::upgradable to check for a pending service upgrade and later executes $credit-increment'amount', abs$price without DB::transactio...

CVE-2026-71537 Paymenter: Credit-refund double-spend race condition in service downgrade (doUpgrade)

Paymenter is a free and open-source webshop solution for management of hosting services. Prior to 1.5.7, app/Livewire/Services/Upgrade.php::doUpgrade relies on Service::upgradable to check for a pending service upgrade and later executes $credit-increment'amount', abs$price without DB::transactio...

CVE-2026-71537 Paymenter: Credit-refund double-spend race condition in service downgrade (doUpgrade)

Paymenter is a free and open-source webshop solution for management of hosting services. Prior to 1.5.7, app/Livewire/Services/Upgrade.php::doUpgrade relies on Service::upgradable to check for a pending service upgrade and later executes $credit-increment'amount', abs$price without DB::transactio...

CVE-2026-71537: Concurrent Execution using Shared Resource with Improper Synchronization

Paymenter is a free and open-source webshop solution for management of hosting services. Prior to 1.5.7, app/Livewire/Services/Upgrade.php::doUpgrade relies on Service::upgradable to check for a pending service upgrade and later executes $credit-increment'amount', abs$price without DB::transactio...