CVE-2026-23513

CVE-2026-23513 affects FOSSBilling prior to 0.8.0. A query-construction flaw in client list endpoints (ServiceTransaction::getSearchQuery and Order\Service::getSearchQuery) fails to group OR-based filters, allowing authenticated clients to bypass tenant scoping and retrieve other clients’ data (i...

CVE-2026-23513 FOSSBilling: Broken Authorization in Client Transaction and Order Listings

FOSSBilling is a free, open-source billing and client management system. In versions 0.7.2 and prior, a query-construction flaw in client list endpoints allowed authenticated clients to bypass tenant scoping and retrieve other clients’ data. Details In ServiceTransaction::getSearchQuery and...