Auth bypass in Fossbilling

CVE-2026-27604

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/*` end…

Vulnerability class: Information Disclosure

Affected products

Weakness classification (CWE)

References