CVE-2026-3734 SourceCodester Client Database Management System Endpoint fetch_manager_details.php improper authorization

Medium 6.9 Published 8 Mar 2026 Updated 11 Mar 2026

Remote attackers can access manager details without proper authorization by manipulating the manager_id parameter in the Client Database Management System.

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

What is CVE-2026-3734?

CVE-2026-3734 is a medium-severity missing authorization vulnerability in SourceCodester Client Database Management System, published on 8 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A flaw has been found in SourceCodester Client Database Management System 1.0. Affected is an unknown function of the file /fetch_manager_details.php of the component Endpoint. This manipulation of the argument manager_id causes improper authorization. The attack can be initiated remotely. The exploit has been published and may be used.

Weakness: CWE-285, CWE-266

Which versions are affected by CVE-2026-3734?

It affects 1 product.

Products include Lerouxyxchire Client Database Management System.

How do I fix CVE-2026-3734?

No fix has been published for CVE-2026-3734 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-2026-3734 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3734 exists.

Sources

Also known as GHSA-h8wx-vp38-6823.