CVE-2026-43918

Suspended or inactive FOSSBilling accounts can retain or regain access through existing sessions, API tokens, and password reset flows

Published: Jul 6, 2026Updated: Jul 8, 2026 Sources: CVE List NVDCWE-613

N/ACVSS

NVD MITRE

Description

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.

No summary for this CVE yet.

Weaknesses

CWE-613

Affected Products

FOSSBilling

oss-project

FOSSBillingOn-prem

Web & CMS Plugins / ecommerce-platform

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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MITRE ATT&CK

2 techniques

Defense Evasion

Initial Access

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References

https://github.com/FOSSBilling/FOSSBilling/security/advisories/GHSA-qv6c-v49w-8g2j

github.com

https://github.com/FOSSBilling/FOSSBilling/releases/tag/0.8.0

github.com

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