Improper Authorization Flaw in SourceCodester Client Database Management System
CVE-2026-3764

6.9MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Client Database Management System
Vendor
CVE Published:
8 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3764?

A vulnerability exists in SourceCodester Client Database Management System version 1.0, specifically within the /superadmin_user_update.php file. This weakness allows attackers to exploit improper authorization mechanisms, enabling remote exploitation. As the flaw has been publicly disclosed, there is a heightened risk for systems still using the affected version. Organizations using this product should take immediate steps to assess and mitigate the risk associated with this vulnerability.

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Affected Version(s)

Client Database Management System 1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-3764 - Proof of Concept

References

https://vuldb.com/?id.349742
vdb-entry
https://vuldb.com/?ctiid.349742
signaturepermissions-required
https://vuldb.com/?submit.768195
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Adarsh007 (VulDB User)
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