Is CVE-2026-4830 actively exploited?

No active exploitation of CVE-2026-4830 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4830 be exploited remotely?

Yes. CVE-2026-4830 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4830?

CVE-2026-4830 has a CVSS score of 5.6 (MEDIUM).

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MEDIUM

CVE-2026-4830

CWE-284Published: March 26, 2026· Updated: Mar 30, 2026

5.6

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.4th

Official Description

A vulnerability was identified in kalcaddle kodbox 1.64. This issue affects the function Add of the file app/controller/explorer/userShare.class.php of the component Public Share Handler. Such manipulation leads to unrestricted upload. The attack can be executed remotely. This attack is characterized by high complexity. The exploitability is assessed as difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2026-4830 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.