CVE Catalog

CVE-2026-15688

CriticalCVSS 9.2
Published: Translated: NVD NIST

Summary

A vulnerability in Mitsubishi Electric GX Works3 and Motion Control Setting stems from an incorrect implementation of the authentication algorithm. A local attacker can successfully authenticate even with an invalid block password by modifying part of the executable module in memory.

Risk Assessment

A local attacker could view, tamper with, destroy, or delete control programs, potentially disrupting industrial automation systems.

Recommendation

Update GX Works3 and Motion Control Setting to the latest version provided by Mitsubishi Electric and restrict local access to engineering workstations.

Related vulnerabilities

Original NVD description (English source)

Incorrect Implementation of Authentication Algorithm Vulnerability in Mitsubishi Electric GX Works3 and Motion Control Setting allows a local attacker to successfully authenticate even with an invalid block password by executing the affected product and modifying part of the executable module in memory, and thereby may be able to view, tamper with, destroy, or delete control programs.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS