CVE-2026-15688Password Authentication Bypass Vulnerability in GX Works3 and Motion Control Setting
Updated under an hour ago ()
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It affects Mitsubishi Electric Corporation GX Works3 and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 9.2 CRITICAL (v4.0, CNA)CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:H/SA:H
- Weakness (CWE)
- CWE-303
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Mitsubishi
- NVD analysis
- Deferred
- Record last updated
- Oct 9, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Mitsubishi Electric Corporation GX Works3 mitsubishi_electric:gx_works3 (from the name) | all versions | CNA record |
Mitsubishi Electric Corporation Motion Control Setting mitsubishi_electric:motion_control_setting (from the name) | all versions | CNA record |
References
- https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-007_en.pdfvendor-advisory
- https://jvn.jp/vu/JVNVU99700314government-resource
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-260-02government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.