PT-2026-56010 · Fossbilling · Fossbilling
Zyufoye
·
Publicado
2026-07-06
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Atualizado
2026-07-06
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CVE-2026-42341
CVSS v4.0
9.2
Crítica
| Vetor | AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/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 |
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 any unpaid invoice as paid and credit the associated client account without making an actual payment, by sending a single crafted HTTP request. Version 0.8.0 patches the issue. Some workarounds are available. Disable the Custom payment gateway if not actively needed and/or restrict access to
/ipn.php at the web server level (e.g., via IP allowlisting), noting that this may interfere with legitimate payment callback processing.Correção
Origin Validation Error
Missing Authentication
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Fossbilling