Vendor
FOSSBilling
43 known vulnerabilities.
Products
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Critical 9.2
FOSSBilling has an unauthenticated payment bypass via IPN callback forgery
FOSSBilling is a free, open-source billing and client management system. Versions 0.6.0 through 0.7.2 have an unauthenticated payment bypass vulnerability in FOSSBilling's IPN callback endpoint. When the Custom payment adapter is enabled, an attacker can mark…
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Critical 9.3
FOSSBilling: Authentication bypass allows unauthenticated administrator creation
FOSSBilling is a free, open-source billing and client management system. Versions 0.7.2 and prior expose a guest API endpoint, /api/guest/staff/create, intended for initial administrator bootstrap. Due to a flawed admin-existence check, the endpoint remains u…
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Critical 10.0CVE-2026-27604 Scanner template
FOSSBilling: Improper API Role Validation (system) Enables Unauthenticated Access to Privileged Admin Functions
FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version 0.8.0, an authorization bypass in the API role handling allows unauthenticated access to privileged `/api/system/*` endpoints. Because `sys…
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Critical 9.4
FOSSBilling: Server-side template injection in Twig template rendering enables information disclosure and RCE
FOSSBilling is a free, open-source billing and client management system. Versions prior to 0.8.0 have a Server-Side Template Injection (SSTI) vulnerability in the template rendering system. Administrators with access to features that render Twig templates (em…
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Critical 9.8
SQL Injection in fossbilling/fossbilling
SQL Injection in GitHub repository fossbilling/fossbilling prior to 0.5.3.