Is CVE-2021-42026 actively exploited?

No active exploitation of CVE-2021-42026 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-42026 be exploited remotely?

Yes. CVE-2021-42026 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-42026?

CVE-2021-42026 has a CVSS score of 4.3 (MEDIUM).

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MEDIUM

CVE-2021-42026

CWE-863Published: November 9, 2021· Updated: Jun 17, 2026

4.3

CVSS v3.1

Official Description

A vulnerability has been identified in Mendix Applications using Mendix 8 (All versions < V8.18.13), Mendix Applications using Mendix 9 (All versions < V9.6.2). Applications built with affected versions of Mendix Studio Pro do not properly control read access for certain client actions. This could allow authenticated attackers to retrieve the changedDate attribute of arbitrary objects, even when they don't have read access to them.

NVD Source

Technical Analysis

CVE-2021-42026 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.