CVE-2026-43918
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, when a client or staff/admin account is suspended or marked inactive, existing authenticated sessions are not invalidated. The session identity loaders in src/di.php (loggedin_client and loggedin_admin) only reject sessions if the backing account record no longer exists in the database. They do not verify that the account's status is still active. This allows a suspended or deactivated user to retain full access until their session naturally expires. This issue has been fixed in version 0.8.0.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| FOSSBilling | FOSSBilling | < 0.8.0 | affected |
Weaknesses
- CWE-613: CWE-613: Insufficient Session Expiration
References
- https://github.com/FOSSBilling/FOSSBilling/security/advisories/GHSA-qv6c-v49w-8g2j
- https://github.com/FOSSBilling/FOSSBilling/releases/tag/0.8.0
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