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
EPSS: 0.004 (33.4th percentile) — read the EPSS interpretation.
Affected products
- Fossbilling — versions >= 0.5.4, < 0.8.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)