Which versions of PHP are affected by CVE-2026-3734?

A high-severity vulnerability in SourceCodester Client Database Management System 1.0 allows unauthorized access to manager details through an unauthenticated endpoint.

Is there a public PoC exploit available for CVE-2026-3734?

Yes, a public proof-of-concept exploit is available for CVE-2026-3734. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-3734?

Within 24 hours: Disable or restrict network access to /fetch_manager_details.php; isolate affected systems from production environments; conduct an audit for unauthorized access logs. Within 7 days: Implement Web Application Firewall rules to block requests to the vulnerable endpoint; deploy network segmentation to limit exposure; notify affected stakeholders of potential data exposure. Within 30 days: Migrate to an alternative database management solution or evaluate vendor remediation timeline; complete a full security assessment of the application; establish incident response procedures for similar vulnerabilities.

PHP CVE-2026-3734

Q: What is the CVSS score of CVE-2026-3734?

CVE-2026-3734 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

MEDIUM

Incorrect Privilege Assignment (CWE-266)

2026-03-08 cna@vuldb.com

PHP Information Disclosure Client Database Management System Lerouxyxchire

5.5

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

HIGH MEDIUM

CVSS changed

Apr 29, 2026 - 01:11 NVD

7.3 (HIGH) 5.5 (MEDIUM)

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Mar 09, 2026 - 16:36 vuln.today

Public exploit code

CVE Published

Mar 08, 2026 - 13:16 nvd

HIGH 7.3

DescriptionCVE.org

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.

AnalysisAI

Improper authorization in SourceCodester Client Database Management System 1.0 allows remote attackers to manipulate the manager_id parameter in /fetch_manager_details.php to access unauthorized data. Public exploit code exists for this vulnerability, and no patch is currently available. Affected systems can be compromised over the network without authentication or user interaction.

Technical ContextAI

Affects Client Database Management System. 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.