CVE-2026-3761 SourceCodester Client Database Management System Endpoint superadmin_user_delete.php improper authorization

Medium 5.3 Published 8 Mar 2026 Updated 11 Mar 2026

Remote attackers can delete users via improper authorization in the superadmin endpoint, requiring immediate attention from system administrators.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-3761?

CVE-2026-3761 is a medium-severity missing authorization vulnerability in SourceCodester Client Database Management System, published on 8 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A flaw has been found in SourceCodester Client Database Management System 1.0. This issue affects some unknown processing of the file /superadmin_user_delete.php of the component Endpoint. Executing a manipulation of the argument user_id can lead to improper authorization. The attack may be performed from remote. The exploit has been published and may be used.

Weakness: CWE-285, CWE-266

Which versions are affected by CVE-2026-3761?

It affects 1 product.

Products include Lerouxyxchire Client Database Management System.

How do I fix CVE-2026-3761?

No fix has been published for CVE-2026-3761 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-3761 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3761 exists.

Sources

Also known as GHSA-w2vv-mpj3-mw89.