How severe is CVE-2026-3734?

CVE-2026-3734 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-3734 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3734?

CVE-2026-3734 affects Lerouxyxchire Client Database Management System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3734?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-3734 have an EU (EUVD) identifier?

Yes. CVE-2026-3734 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10237.

When was CVE-2026-3734 published?

CVE-2026-3734 was published on 2026-03-08 and last updated on 2026-06-17.

CVE-2026-3734

CVE-2026-3734 is a high-severity vulnerability in Lerouxyxchire Client Database Management System with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-266.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10237
Weakness: CWE-266
Affected product: Lerouxyxchire Client Database Management System
Published: 2026-03-08
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-3734?: 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.
How severe is CVE-2026-3734?: CVE-2026-3734 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-3734 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3734?: CVE-2026-3734 affects Lerouxyxchire Client Database Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3734?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-3734 have an EU (EUVD) identifier?: Yes. CVE-2026-3734 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10237.
When was CVE-2026-3734 published?: CVE-2026-3734 was published on 2026-03-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lerouxyxchire:client_database_management_system:1.0:*:*:*:*:*:*:*

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